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Countdown timer horsepower ratings

Countdown timers, same as off-delay timer
Use countdown timers for bathroom vent fans and lights, and whole house fans: EPA guide to mold, moisture in your home
Timer Brand Electrical Rating and Resources and Seller
according to manual or available source
Motor HP          amps @ 120V            amps @ 240V          Generally
1/6 HP               3 amp                              --                       Bathroom fan/ some pond pumps
1/4 HP               6amp                             3amp                   Bathroom fan/ gable end vent /some whole house fans
1/2 HP              10amp                            5amp                   Gable end vent / some whol house fans/ some pumps
1 HP                 16amp                            8amp                   Pool pump/ Heater pump/ water well pump
Horsepower = watts ÷ 746/   watts = volts x amps
Bathroom heaters at Amazon
See motor amp draw chart
Wattage consumption for motors
Timers rated for inductive can handle motor loads
Tungsten rating means incandescent
remote control countdown timer

Remote control countdown timer

30 minutes, 60 minutes, 2 hour, 4 hour.
Polarized outlet for lamp.
Not rated for space heater, or heavier loads
For heavier loads, use timer below

Buy:
Woods 59781 at Amazon
Woods 5559206
Woods 5559206
Timer for iron

Woods 5559206 Plug-into-outlet countdown timer/ 1-8 hours

Estimate 1/3 Hp

120 Volt / 3-prong grounded outlet
Press button to select 1, 2, 4, or 8 hours
Timer for iron. Use timer for ironing clothes
Buy:
60 minute 2-pack at Amazon
Simple touch 1-8 hour at Amazon
Woods countdown timers at Amazon

Instructions/ Resource:
Press button and timer remains ON for 1, 2, 4, 8 hours.
Woods 50030 countdown timer
Larger image

Woods 50030 countdown Plug-into-outlet timer/ 1-8 hours

Press button to select duration
Buy:
Countdown plug-in timer at Amazon

Instructions/ Resource:
Press button and timer remains ON for 1, 2, 4, 8 hours.
251, 235, 33
FBEB21
westek TM26DHB tabletiop timer

Westek TM26DHB tabletop countdown timer

1/4 HP @ 120V
1000 watt CFL, incandescent, LED
1 minute to 9 hours
Buy:
TM26DHB at Amazon
century countdown timer

Plug-in countdown timer

1/2 HP
With manual override
Up to 12 hours
3-prong outlet

Buy:
Century countdown timer at Amazon
Century weekly digital timer with coutdown option
Woods 50009 timer

Woods countdown

3/4 HP
Programmable timer with countdown feature:
Heavy duty 2-outlet timer 1875 Watt tungsten (incandescent)
7-day timer with 8 on-off settings
Random feature, countdown feature, daylight savings time
Works with CFL
Buy:
Woods 50009 at amazon
Kichler at Amazon
Manuals:
Woods 50009 timer manual
Kichler manual
Westinghouse 00453 timer
Dawn dusk timers		 Dawn dusk timers
Estimate 1/3 Hp
120Volt 60Hz
Dawn dusk timers with selectable countdown option
Digital outdoor countdown
Automatic countdown triggered by photoeye and darkness
Resources
Woods, Westinghouse and other brands outdoor countdown timers
GE outdoor timers
Intermatic outdoor timers
Westek TM21DOLB

Remote control coutdown timers

Indoor or outdoor
Press remote control ON... and timer turns off 2-4-6-8 hours later.. or press OFF
2-outlet
Buy:
GE at Amazon
Westek TM21DOLB
Resource:
Westek TM21DOLB manual
Woods-49544-TM16-manual
Remote controls at Amazon
Skylink remote control countdown timer
Skylink wireless countdown

 Skylink wireless countdown
Estimate 1/3 Hp
120V 60 Hz/ 10 watt miminum/ 1500 watt
Operate as ON-OFF or Countdown device/ Up to 500 feet
15 minute - 60 minute countdown
Buy:
Wireless wall mount transmitter TB-318 at Amazon
Wireless countdown receiver PA-318 at Amazon
Transmitter and receiver
Skylink remote control
Skylink remote controls
Resource:
PA-318 manual

Wall heater
Forced air fan heats room
Sticks out 1" from wall
Fits into wall space between 2x4s
Rough-in opening 8" x 10-1/4"
Overall size 9" x 12"

Cadet toe kick heater
Toe kick heater
3 1/2" tall
Fits space below vanity cabinet
Buy separate wall thermostat

Wall heater/ forced fan blows heated air/ 120-240 Volt Hardwired/ with thermostat

Use spring-wound timers (shown below) to control wall heaters/ set thermostat high, and control heater with 15-30 minute timer. Spring wound timers work with 120V or 240V

120-240 Volt units / complete kit with thermostat and wall can/ will turn ON if temperature drops low enough
Use spring-wound timer, or ordinary 20 amp wall switch
240 volt can be turned off by turning off one of the two hot wires
Clean elements and unit once per year for long-term durability
Installation: 3 feet clearance in front/ 12" clearance top & bottom, and 6" each side
Buy:
2000 watt / 208-240 volt/ 8.3 amp / electric heater at Amazon
1000 watt / 120 volt/ 8.3 amp / electric heater at Amazon
Cadet wall heaters
Cadet toe kick heater

Replacement parts
240V 58T2 CCT2W 17 amp double pole replacement thermostat + knob
120V 58T1 CCT1W 17 amp single pole replacement thermostat + knob
Thermal overload switch

Resource
Cadet wall heater specificiation sheet
Cadet wall heater installation
Cadet wall heater safety tips/ pdf  side
Match watt load with wire and breaker

Wiring: Override wall heater with timer
Nutone VS69WH
Nutone VS69WH

Nutone VS69WH / Timer and double switch for bathroom fan, light and heater

1 HP 125V  /  2HP 250V
SPST
Not 3-way timer
Buy:
Nutone timers at Amazon
Broan/Nutone switches at Amazon
Nutone VS69WH 15 minute timer with 2 single-pole switches at Amazon
Nutone VS68WH 15 minute timer w single pole switch at Amazon
Nutone VS67WH 60 minute timer with 2 single-pole switches at Amazon
Nutone VS66WH 60 minute timer w single pole switch at Amazon
Resource:
How to wire 4-function switch

Intermatic FF

Replacement knob

Intermatic FF series/ replaces single-pole or double-pole switch

Models: 15 minute to 12 hours

1 HP 125V  /  2HP 250V
SPST & & SPDT & DPST models
Hold and no-hold models
Two DPDT timers can be used as 3-way timer
Inductive: 20 Amp 125 VAC 50/60 Hz;
10 Amp 250 VAC 50/60 Hz;
10 Amp 277 VAC 50/60 Hz
Tungsten: 7 Amp 125 VAC
FF60 60 minute SPST, FF30 30 minute SPST, FF430 30 minute DPST, FF46H 6 hour DPST model numbers
Buy:
Intermatic FF series timer at Amazon
Intermatic timer knob
Resources
Sell sheet with models and wiring for motor applications and 3-phase and Off delay
FF series instruction manual and wiring

Tork C series

Tork C series/ single-pole timer

1 HP 125V  /  2HP 250V
125V, 250V, 277V 50-60 Hz
Hold and no-hold models
Not 3-way timer
Buy:
C515M 15 minute at Amazon
C530M 30 minute at Amazon
C560M 60 minute at Amazon
C560M 60 minute with Hold at Amazon
Broan 12 hour timer at Amazon
Tork springwound timers at Amazon
Tork countdown timers at Amazon
Resources
Tork C series sell sheet
See Tork timers
Tork A series timer
Tork A series

Tork A series/ single-pole timer

1 HP 125V  /  2HP 250V
125V, 250V, 277V 50-60 Hz
Hold and no-hold models
Not 3-way timer
Buy:
Tork springwound timers at Amazon
Tork countdown timers at Amazon
Resources
Tork A series sell sheet
See Tork timers
Tork timer connected to momentary contactor

Intermatic FD

Replacement knob

Intermatic FD series/ replaces single-pole or double-pole switch

Models: 15 minute to 12 hours

1 HP 125V  /  2HP 250V
SPST & & SPDT & DPST models
Hold and no-hold models
Two DPDT timers can be used as 3-way timer
Inductive: 20 Amp 125 VAC 50/60 Hz;
10 Amp 250 VAC 50/60 Hz;
10 Amp 277 VAC 50/60 Hz
Tungsten: 7 Amp 125 VAC
Buy:
Intermatic FD timer at Amazon
Resources
Sell sheet with models and wiring
Sell sheet with models and wiring for motor applications and 3-phase and Off delay
Woods 59729 countdown timer
Woods spring wound

Woods countdown series/ single-pole timer

1 HP 125V
125V, 250V, 277V 50-60 Hz
Not 3-way timer
SPST 125V/60 HZ
20A/ 2400W resistive
5A/ 1000W tungsten (lights)
5A/ 625W Fluorscent (ballast)
15FLA 90LRA
CFL ready
Buy:
Woods countdown timers at Amazon
4-15 minute
59711 white
59712 almond
59713 gray metal

 7-30 minute
59714 white
59715 almond
59716 gray metal

 12-60 minute
59717 white
59718 almond
59719 gray metal
Resources
Woods 59700 series manual
How to wire timer
Woods timers and manuals
Sell sheet
Woods 59700 15 minute sell sheet
Woods 59700 60 minute sell sheet
Woods 59000 30 minute sell sheet
Utilitec countdown timer
Westek TMSW15MI
Utilitec 140599

Westek TMSW series

Utilitec 140599 / TMSW60MWL 60 minute timer
1 HP 125V  /  2HP 250V
125V, 250V, 277V 50-60 Hz
Hold and no-hold models
Not 3-way timer
Buy:
Westek countdown timers at Amazon
Utilitc/ Westek 60 minute white springwound timer at Amazon
Resources
How to wire residential single-pole Spring-powered timer/ image
Westek timers at Amazon
See more Utilitec timers

Spring timers shown above, fit any type electric plate


 countdown timer plates
Marktime 23 amp countdown timer
Marktime 70 AB

Marktime 70 AB / 12 hour 30 amp heavy duty

1 HP 125V  /  2HP 250V
125V, 250V, 277V 50-60 Hz/ 28 amp
Commercial Class II 6000 watt
Hold and no-hold models
Not 3-way timer
Requires 2-gang box
Buy:
60 minute
2 hour
5 hour
Resources
Marktime spec sheet w/ models#/ pdf
Marktime sell sheet w/ models/ pdf
marktime auto off timer

Marktime auto off timer/ high heat panel mount/ splashproof

1 HP 125V  /  2HP 250V
125V

Buy:
60 second photographic timer at Amazon
Deihl T85 600 timer
Deihl T85 600 timer

Diehl T85-600 601 spring-wound countown timers

1/4 Hp
120-277 Volt/ 208-240 Volt/ AC DC/ 1000 watts Vac
Rated for sunbed control/ Often timer are not rated for sunbed since they are not commercail-rated to avoid overexposure injury
Resources
Diehl springwound timers
Springwound timers for tanning bed

For 208-230 Volt applications, the SPST timer will operate by turning off 1 hot leg. However other hot leg will still have live power.
How to wire timer for 208-230Volt
How to wire DPDT timer for 208-240 volt
PRINCE CASTLE 7-171-160R

Motor driven commercial countdown timers

PRINCE CASTLE 7-171-160R
Motor driven countdown timer/
2 outlets
compare replacements
Dial-type countdown timer
120V/  Motor drive for 100% reliability
Buy
Prince castle 60 minute
all Prince Castle counting timers

Buy Similar replacement
Prince castle 60 minute
208-240V Henry Penny 60 minute motor driven timer
120V motor driven 20 minute countdown timer
120V motor driven 60 minute countdown timer
Resource:
Options for Motor driven countdown timers
Diehl TA4180A timer

Panel mount/ off-delay timer

1/2 Hp @ 120 Volt
3/4 Hp @ 240 V
120-240VAC input
1 second to 99 minute countdown timer
SPST 15 amp
Push button trigger
Buy:
TA4180A at Amazon
Panel mount delay timer

Resources:
Diehl 650 manual
Diehl TA4180A manual

Install countdown timers shown below, using decora plate

Some timers come with plate, and others do not
  Buy:
Buy decora plates/ all colrs/ at Amazon
Decora plate with various colors at Amazon
Safety: All electric boxes require cover.
Cover prevent electrical hazard and overheat and possible fire
To determine if timer is safe, put hand on timer face and feel for heat.
Timer should NOT feel hot or warm
Read timer manual for load rating of timer/ match load with type of timer
Resource:
Household electric safety
Match wire size, circuit breaker and load
Leviton 6652 Leviton 6652 Variable countdown timer
1/6 HP
Variable countdown timer
1 hour to 18 hour countdown setting
Single pole or 3-way
Buy:
Leviton 6652 timer at Amazon

Resources:
6652 instruction manual
6652 Sell sheet
Intermatic Ei400 countdown timer
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Ei400 series Countdown/ 120-277volt/  single-pole-or-3-way/
1 second to 24 hour/ No neutral required

1 HP 120V  /  2HP 240V
120V, 277V Programmable Countdown timer
1 HP 120V
2HP 240V
Single-pole or 3-way/ No Neutral required/ battery powered
Replaces SS13, SS20, SSA100, SA200

Buy:
Ei400 timer at Amazon
CR2 replacement battery at Amazon
CFL bulbs at Amazon
Manuals/ resources
Ei400 manual
How to wire Ei400 timer instructions
Sell sheet with model numbers
Sell sheet with model numbers and wiring

Marktime 42E20 countdown timer
Marktime 42E20
Marktime 42E02

MH Rhodes 42E20 countdown/ 15-30-60-120 minutes

42E20 1/3 Hp @ 120V
500 watt light, 4.4 asmp
Press top-button on-off switch, then press lower button to select time
42E20: 120V 7.2 amp 500W incandescent Resources
Marktime 42E20 sell sheet
42E20 manual and wiring pdf
marktime 42E02 countdown timer
Marktime 42E01
42E02

MH Rhodes 42E02 dual switch/countdown / 15-30-60-120 minutes

42E02 1/6 Hp @ 120V
42E02: 120V
4.4 amp 500W incandescent
Control fan and light with separate switch
Press ON button - light and fan turn ON
Press Off button - light turns Off - fan remains ON for set countdownResources
Marktime 42E01 and 42E02 timer sell sheet
42E02 manual and wiring pdf
Intermatic E140C
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Intermatic Ei40C/white  / Ei40AC almond/ 1 second to 24 hour countdown timer/ single-pole 3/way// 20 amp/ AC-DC loads No Neutral

1 HP 120V  /  2HP 240V
Heavy duty
1 second to 24 hour interval
Single-pole or 3-way. No neutral needed
Countdown timer  Load: 1 HP 120V, 2HP 240V
OFF-delay timer: used for bathroom fan, attic fan, outlet etc.
Delay is Adjustable from 1 second to 24 hours.
Selectable warn feature that load is about to turn off.
Battery operated means timer can control any voltage 12-277Volt AC, 12-28Volt DC. HID, incandescent, fluorescent
Buy Ei400 to replace Ei40:
Intermatic Ei400 at Amazon
CR2 replacement battery at Amazon
CFL bulbs at Amazon
Manuals:
Ei40C manual
Sell Sheet
Sylvania countdown timers
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Sylvania   SA150   SA155   SA160 countdown timers

1 Hp @ 120V
Sylvania SA150
120Volt Single-pole digital Countdown timer
2 independent choices/ 5 minute or 15 minute
Buy:
SA150 at Amazon

Sylvania SA155
120Volt Single-pole digital Countdown timer
2 independent choices/ 30 minute or 60 minute
Buy:
SA155 at Amazon

Sylvania SA160
Dual mode
4 independent choices/ 30 minute - 12-hour /or 60 minute - 24-hour
Buy:
SA160 at Amazon

 Resources
Sylvania SA150 manual
Sylvania SA160 manual
How to wire single-pole timers
Sylvania SA170 timer
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All Sylvania timers and manuals

Programmable timer with optional 5 minute countdown feature

Programmable countdown timer
Sylvania SA170
Press either arrow button and lights will turn ON. Timer will countdown 5 minutes and then turn light off.
7-day single-pole Digital programmable wall switch timer
Random function and manual override/ DST switch toggles 1 hour when time changes
Astroniomic dawn-dusk option with easy zip-code setting

Buy:
SA170 at Amazon

Resources
Sylvania SA170 manual
How to wire single pole timers
Intermatic Ei200 series
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Intermatic Ei200 series countdown

1/4 Hp
Single pole only
Incandescent, CFL, LED, ballast, motor up to 1/4 HP
1800 watts
Neutral required
 Buy:
Intermatic Ei200 series timers at Amazon
CFL bulbs at Amazon
Manuals/ resources
Ratings
Ei200 manual
Sell sheet with model numbers
Sell sheet with models and wiring
How to wire single-pole Ei200 timer instructions

Larger image
Woods 59000

Woods 59000 series countdown

1/4 Hp
1000 Watt tungsten (incandescent)
Press button next to time to start countdown
Buy:
59000 series at Amazon
59008 at Amazon White  10, 20, 30, 60 minute
59007 at Amazon White 5, 10, 15, 30 minute
59720 at Amazon  Almond 5, 10, 15, 30 minute
59014 at Amazon White 2, 4, 8, 12 hour
59013 at Amazon White 1, 2, 4, 8 hour
Manual/ resource
>Woods 59000 series manual
Sell sheet
How to wire single pole timers
Tork D series countdown

Tork D series countdown 

Tork D1060 60 minute Tork D212 12 hour

1/4 Hp
1000 Watt tungsten (incandescent)
Press button next to time to start countdown
Buy:
Tork countdown timers at Amazon
Tork D212 timer at Amazon
Tork D1060 timer at Amazon
Resources:
Tork timers and manuals
Sell Sheet
How to wire single pole timers
Westek countdown timer

Westek countdown timer

Buy:
Westek countdown timers at Amazon
TMDCD30 30 miinute timer with hold
TMDCD60 60 minute with hold at Amazon
GE 15318 countdown timer
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GE 15318 countdown timer/ Defiant 49816/ no neutral wire/ On-Off switch or countdown

1/4 Hp
On-off switch, or countdown
Replace single-pole switch with two wires.
No manual
Estimated 1/4 Hp
Good for bath fans
LED and CFL ready

Buy:
GE 15318 / 5-15-30-60 minute + 2-4 hour/ at Amazon
Maxxima products at Amazon

Resources:
Possible product manual
Cooper countdown timer

Cooper auto-off timer/ no neutral required

1/4 Hp
120V 1000 Watt / incandescent, LED, Holegen, MLV, ELV, CFL, LED
single-pole/ No neutral
Buy:
PT18M series at Amazon
PT18M-V-K 60 minute ivory at Amazon
PT18M-W-K 60 minute white at Amazon
PT18MLA 60 minute light almond / no neutral required/ at Amazon
Resources:
Cooper PT18M Manual
How to wire single pole timers
Leviton LTB60
Leviton LTB60

Leviton LTB series/ LBT15/ LBT3-/ LBT60/ LBT02/ LBT12/ with hold that acts as on-off switch

1 Hp
120 VAC
20 Amp, 1800 Watts/ 1000W tungsten (lights)/ single-pole or 3-way/ neutral required
Fluorscent (ballast)
Countdown timer with on-off switch
Buy
Requires deep box 2-1/2".
LTB countdown timer at Amazon
LTB: choose time duration from 10 minutes to 12 hour countdown/ with 3 colors/ Amazon
Resources:
LTB60 at Leviton
For single-pole and 3-way (with Leviton companion device)
LTB60 manual/ pdf
Leviton LLT series
Leviton-LTT60-LLT

Leviton LLT series/ no neutral required/ incandescent only

120 VA
120VAC/ 60 HZ
5A resistive
600Watt incandescent/ no neutral required
Buy:
No neutral wire required
Requires deep box 2-1/2".
Leviton LTT at Amazon
Resources:
LTT60-1LT at Leviton
LTT60 manual/ pdf
Leviton 6161 .pdf
Utilitec countdown timer
Utilitec

 Utilitec 156020 / Stanley 30415

1/4 Hp
120Vac/ 1000 watt Tungsten
Buy Stanley
Stanley 30415 60 minute countdown timer at Amazon

Resources
Wiring instructions for single pole timers
Lutron MA-T51 timer
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Lutron MA-T51 / MA-T51MN countdown timer

1/6 HP
120VAC/ 60 Hz/ 5 Amp max/ 600W 500W 400W
Ratings depend on heat-sink fin removal
Halogen/Incandescent
No neutral required for T51
Neutral is required for T51MN
Buy:
MA-T51 series at Amazon
Choose color of Maestro countdown timer at Amazon
Lutron countdown timers at Amazon
At Amazon
Resources:
MA-T51 timer manual/ no neutral/ pdf
MA-T51MN timer manual/ needs neutral/ pdf
 Wiring instructions for Neutral		 Lutron MA-T51 color selection
Color selection

Lutron MA-T530 countydown timer

Lutron MA-T530

1/6 HP
120VAC/ 60 Hz/ 5 Amp max
Ratings depend on heat-sink fin removal
Halogen/Incandescent
120 V~ 600W 500W 400W
General purpose fan 3A
Buy:
MA-T530 at Amazon
Lutron countdown timers at Amazon
At Amazon
Resources:
Sell sheet/ pdf
MA-T530G manual
Pass and seymour RT12
RT12

Pass and seymour RT1/ 1-60 minute/ indicator light on switch/ rated for fluorscent/ CFL/ magnetic low voltage/ electronic low voltage

1/6 HP
1- 60 minute time range
1 - 12 hour time range
120V
60Hz
0-600 watt
Buy:
Pass and seymour RT1 /60 minute/ white/ at Amazon
Pass and seymour RT1 /60 minute/ almond/ at Amazon
FT1BK black
RT1A almond
Legrand RT50I at Amazon
Resources:
Unprintable sell sheet with wiring diagram
Small sell sheet
Wiring instructions for single-pole timers
RT12 manual
Manual/ pdf
Sell sheet with wiring diagram
Broan 64
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Broan 64W variable delayed-off 5- 60 minutes / or on-off switch

1/4 HP 120V  ac/dc
SPST/ replaces single pole switch
Requires neutral wire
Buy:
Broan 64W at Amazon
Resources:
How to wire single pole timer
Tork SS13 timer
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Tork SS20 countdowwn timer
Single pole
Buy:
SS20F at Amazon
Tork SS13 countdown timer
3-way
Buy:
SS13F at Amazon

Variable timing: 1 minute to 18 hours
24Volt, 120V, 208-240V, 277V

Buy:
Tork springwound timers at Amazon
Tork countdown timers at Amazon
Manuals:
Sell sheet
SS13 manual
Identical to Paragon ET series
ET series manual/ pdf
Tork SS series timer
Tork SS20 SS13

Tork SS20 and SS13 timer/ 1 minute to 18 hour/ single-pole and 3-way models/ 24V-120V-208-240V-277V

1/8 HP 120V
1/3 HP 240V
SS20 Single pole
SS13 3-way wiring
1 minute to 18 hour
Identical to Paragon ET serries/ neutral required
Buy single-pole:
Tork SS20 single-pole  timer at Amazon
SS20F single-pole/ flicker warning Amazon
Buy 3-way or single-pole:
Tork SS13 3-way timer at Amazon
SS13F 3-way flicker warning at Amazon
Resources:
Tork SS13 timer manual
Tork SS series sell sheet
ET series manual/ pdf
Tork timers and manuals		 Tork SS13 timer
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Tork M500 timer TorkATM500 series Countdown timer

1/2 Hp
Buy:
M560 series 60 minute / white/
M560 series 60 minute/ almond

M512 series 12 hour/ white
M512 series 12 hour/ almond

Resources:
Tork M500 series sales sheet
M500 series programming and wiring
Wiring instructions
Steamist SMC-150-PC Time/Temperature Control
 Steamist SMC-150-PC Time/Temperature Control
Steamroom countdown timer and temperature control

Buy:
Steamist SMC 150 at Amazon
AH3 off delay timer

AH3-3 delay timer and base

120 volt off delay timer/ 0-60 minutes
on-delay
Rated 3 amp @ 240 volt or 6 amp @ 120 volt
Buy:
120 volt AH3-3 at Amazon
pin delay timer
Off-delay relays at Amazon
120 volt delay relays at Amazon
Omron H3CR-A8 1 second to 300 hour at Amazon
Dayton delay timer
Resources:
How to wire AH3-3 timer
Use off-delay to control recirculation pump
Use off delay to control motors
Fuseholders		 AH3-3 wiring
How to wire AH3-3 timer
off delay timer

Analog off-delay timer

1/4 Hp
Buy analog Off delay timer
H3CR-A 120 V timer at amazon
GT3F 24 VAC-DC at Amazon
Amico delay timers at Amazon
Resources:
Omron series timers/ analog and digital
How to wire pin timers
twin timer

Twin timer

Voltage 100-240 volt input. Or 12-24 volt input.. One shot or Repeat-cycle timer with dry NO NC terminals, connect any voltage to switch terminals.
One shot - apply power to timer and it turns on for set period of time and turns off. Reset by disconnecting power and then resume.
Repeat cycle has two time periods that turn on-off indefinitely until input power is cut.
Time period ranges from .01 to 99.99 seconds/ or .01 to 99.99 hours.
For example a car alarm is a twin timer ... honk-honk-honk indefinitely until power is cut.
Buy:
Twin timers at Amazon
Resource:
How to wire twin timer
digital-off-delay-timer

Digital off delay/ Interval ON

Buy Off delay timer
Omron delay timer
H3CA multi function timer at Amazon
H3CA timers at Amazon
H3CR analog timers at Amazon
Twin timers
Sestos B2E at Amazon
Resources:
trigger: can be push button
one-shot: single countdown
cycle time mode: repeat countdown cycle
Omron series timers/ analog and digital
How to wire pin timers
Time delay relay function/ pdf
ICM253 ICM 253 delay timer
24 volt AC. Typical use for delay after operation, so motor circuit fully recycles before re-start. Prevents damage from power outages.
Buy:
ICM 253 at Amazon
120V to 24VAC transformer at Amazon
24 Volt coil conctactor at Amazon
Resource:
ICM 253 manual
Dayton offv-delay timer Dayton off-delay timer
0 Hp
Must use contactor
120Volt
max 1 amp load
Cannot control loads directly
Must use contactor
Resource:
Dayton off-delay timer
Use for short duration countdown
Paragon E500 interval timer

E500T ON delay timer/ 120v or 240V/ SPDT 1 NO and 1 NC terminal

Tork E500T ON delay timer/ commercial grade
SPDT 1-NO and 1 NC contact
32 time delay durations 5 second to 3 hours
Activation starts with external switch
Turns OFF at preset time
Nema 4X harsh environment enclosure

Buy:
E501T auto-off interval timer/ 10 seconds to 12 hours/ SPDT 1-NO and 1 NC contact at Amazon
E502T / 5 seconds to 3 hours/ at Amazon
E500T 120-240Volt off-delay timer at Amazon

Resources:
Sell sheet with wiring diagrams
More Tork timers
Tork E510T timer

Tork E500T and E501T auto-off interval timer/ 120 or 240V/ SPDT 1 NO and 1 NC terminal/ 5 seconds to 3 hours or 10 seconds to 12 hour

Tork E501T ON delay timer
SPDT 1-NO and 1 NC contact
32 time delay durations 5 second to 3 hours
Activation starts with external switch
Nema 4X harsh environment enclosure

Buy:
E500T 120-240Volt off-delay timer/ runs until external switch turns off/ 10 sec to 12 hr/ Amazon
E502T 120-240V off delay/ auto-off at preset time/ 5 seconds to 3 hour/ Amazon

Resources:
Sell sheet with wiring diagrams

Arduino home automation

Arduino home automation

Limited by your imagination/ Arduino has been available for years
Simple code programs widely available on internet
You write code (or copy code from free online sources)
Arduino chip operates infinite variey of electrical devices
For example build pinball machine using arduino chipsBuy:
Starter kit with 98 projects at Amazon
Arduino at Amazon
Elk 960 timer

Delay timer module

12-24 volt
1 shot time delay, or repeat pulse when triggered
Must use contactor or relay to control larger amp load
1 second to 60 minutes		 Buy:
960 at Amazon
12 volt delay timers at Amazon

Resource
960 manual/ pdf

Infrared-off-delay-timer

0 Hp		 Buy:
Iinfrared off delay timer
Countdown timer can control any HP motor
or any amperage or type of Load when using contactor.

Timer controls magnetic coil on contactor, and magnet opens-closes contacts that turn Load on-off. 		Contactor
See wiring illustration		 Siemens 45EG20AF Definite Purpose
See contactors

Power end gable vent
Larger image

Power end gable ventilator with built-in thermostat

Adjustable thermostat controls fan operation.
1630 - 2280 square feet attic space
By-pass thermostat and use 1/2 Hp countdown timer for winter operation
Use 12-2 wire
Buy:
353 Power end gable 1600 square feet at Amazon
35316 Power end gable vent 2280 square feet at Amazon
Gable end vents at Amazon
Replacement thermostat
Resources:
Attic vent manual
Attic vent chart
Whole house fann

Whole house attic fan WH242MLX 1500 square feet with shutter 24" x 24"

Normally comes with 2-speed wall switch./ direct drive and belt drive
1500 square feet home space
Use 1/2 Hp countdown timer for winter operation
Buy:
Whole house attic fan at Amazon
Humidistats at Amazon
2-speed fan switch

2-speed fan switch/ for two speed fans

Works only IF the fan has 2 speed
You can use any 3-way switch for the same operation
Does not convert single-speed fan into a two speed fan
2-speed fan will have 4 wires... 1 COM, 1 High, 1 Low, and 1 ground

Buy:
2-speed fan switch at Amazon
Additional links

Support the economy:
Buy water heaters  from my associate links:
50 gallon Gas water heaters at Amazon
40 gallon gas water heaters at Amazon
50 gallon Electric water heaters at Amazon
40 gallon electric water heaters at Amazon
Hybrid / heat pump/ water heaters at Amazon

Resources:
How to install gas water heater
How to install electric water heater
Troubleshoot gas water heater
Troubleshoot electric water heater
Point of use water heaters
Resources:
Troubleshoot Gas valves with manuals		 Icon gas valve

Install and troubleshoot garbage disposal Waste King disposal
Install point of use water heater Point of use water heater

Anode rods anode rods
Recirculation system Point of use water heater
Type 1 and type 2 surge protection surge protection
Gas and electric water heaters Buy
Electronic parts

Industrial supplies

Tools and home improvement

Lab and scientific
Buy Tools
DEWALT
Black and Decker
Stanley
SKIL
Porter-Cable
Bosch
Dremel
Saws and saw blades
box timers Resource:
Compare box timers
DPDT timers
Intermatic
Control water heater w/ Z-wave
Intermatic control centers Resource:
Control centers:
+ manuals and parts

All control centers and parts

Including Z-wave
programmable timer Resource:
Compare programmable timers
Compare countdown timers
Delay timers
Modules
Din rail
Twin
Woods

Control water heater with programmable wall timer
surge protection
Resource:
Type 1-2-3 surge protection/ wiring and manuals

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