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Countdown timer horsepower ratingsCountdown timers, same as off-delay timerUse countdown timers for bathroom vent fans and lights, and whole house fans: EPA guide to mold, moisture in your home |
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Motor
HP
amps
@ 120V
amps
@ 240V
Generally 1/6 HP 3 amp 6 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 whole house fans/ some pumps 1 HP 16amp 8amp Pool pump/ Heater pump/ water well pump Horsepower = watts ÷ 746/ watts = volts x amps Start amps for inductive motor loads are higher for brief moment and should not affect residential wiring. Motor resources See motor amp draw chart Wattage consumption for motors |
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| Timer Electrical Ratings: Inductive: Timers rated for inductive can handle motor, pump, relay, CFL, LED FLA: Full-Load Ampere, or amps drawn by the motor when it is operating at full load. LRA: Locked rotor amperage, or inrush of amps needed for starting motor, typically for commercial motors. Tungsten: Timers rated for tungsten can handle incandescent light bulbs Resistive: Maximum electrical capacity of Timer, and for heat elements |
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Remote control countdown timer Woods 59781 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 |
 Woods 5559206 Timer for iron |
 Plug-in countdown timerWoods 5559206 1-8 hours Woods 50030 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: 1-8 hour 2-pack Simple touch 1-8 hour Countdown plug-in timer Instructions/ Resource: Press button and timer remains ON for 1, 2, 4, 8 hours. |
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Tabletop countdown timer Westek TM26DHB 1/4 HP @ 120V 1000 watt CFL, incandescent, LED 1 minute to 9 hours Buy: TM26DHB |
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Plug-in countdown timer 1/2 HP With manual override Up to 12 hours 3-prong outlet Buy: Century/ BN-LINK countdown timer Century weekly digital timer with countdown option |
 3/4 HP |
Plug-in
programmable timers / with countdown feature 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 LED CFL Buy: Woods 3/4 hp 50009 Kichler Manuals: Woods 50009 timer manual Kichler manual Century manual |
 Dawn dusk timers |
Dawn dusk or 1-2-4-8 hour
countdown
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 Skylink wireless countdown |
Wireless
countdown Estimate 1/3 Hp 120V 60 Hz/ 10 watt minimum/ 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 Wireless countdown receiver PA-318 Transmitter and receiver Skylink remote control Resource: PA-318 manual TB-318 manual |
 Sticks out 1" from wall Fits into wall space between 2x4s Rough-in opening 8" x 10-1/4" Overall size 9" x 12" 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 1000 watt / 120 volt/ 8.3 amp / electric heater 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 specification sheet Cadet wall heater installation Cadet wall heater safety tips/ pdf side Match watt load with wire and breaker How to Override wall heater with timer  Toe kick heater |
 Nutone VS69WH |
4-function Countdown Timer and
double switch Nutone VS69WH / for bathroom fan, light and heater 1 HP 125V / 2HP 250V SPST/ the countdown imer is single-pole. Not 3-way timer Buy: buy a spring wound timer, decora plate and double switch or triple switch Nutone VS69WH 15 minute timer with 2 single-pole switches Nutone VS68WH 15 minute timer w single pole switch Nutone VS67WH 60 minute timer with 2 single-pole switches Nutone VS66WH 60 minute timer w single pole switch Broan/Nutone switches Resource: How to wire 4-function switch |
 Intermatic FF  Replacement knob |
Springwound
single-pole, double-pole, or 3-way countdown 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 15 minute 30 minute 1 hour 4 hour timer 6 hour timer 12 hour timer Intermatic timer and replacement knob SPDT timer that can be used for 3-way (see sell sheet for all model numbers SPDT) DPST timer for two 1 Hp loads (see sell sheet for all model numbers DPST) 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 C530M 30 minute C560M 60 minute 2 hour 4 hour timer 6 hour timer 12 hour timer C560M 60 minute with Hold Tork springwound timers Resources Tork C series sell sheet See Tork timers |
 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 Tork 12 hour timer Resources Tork A series sell sheet See Tork timers Tork timer connected to momentary contactor |
 Intermatic FD Replacement knob |
Springwound
single-pole, double-pole, or 3-way countdown 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 15 minute 30 minute 1 hour 2 hour 4 hour timer 6 hour timer 12 hour timer Intermatic timer and replacement knob Intermatic 4 hour SPDT timer that can be used for 3-way (see sell sheet for all model numbers SPDT) Intermatic 6-hour DPST timer for two 1 Hp loads (see sell sheet for all model numbers DPST) Resources Sell sheet with models and wiring Sell sheet with models and wiring for motor applications and 3-phase and Off delay' Manual |
 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 Fluorescent (ballast) 15FLA 90LRA CFL ready Buy: Woods countdown timers
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 |
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 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 Single-pole/ Not 3-way timer Buy: Westek countdown timers Utilitec/ Westek 60 minute white springwound timer BN-LINK brand 60 minute Resources How to wire residential single-pole Spring-powered timer/ image Westek timers See more Utilitec timers |
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Spring
timers shown above, fit any type electric plate Deco plate works fine. Regular switch plate works fine. |
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 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 Single-pole/ Not 3-way timer Requires 2-gang box Commercial grade Buy: 60 minute 2 hour 5 hour Resources Marktime spec sheet w/ models#/ pdf Marktime sell sheet w/ models/ pdf Motor driven countdown timer options |
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Marktime
auto off timer/ high heat panel mount/ splashproof 1 HP 125V / 2HP 250V 125V Single-pole Buy: 60 second photographic timer |
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 Diehl T85 600 timer Side view with electrical prongs shown back of timer, and mechanical twist knob shown on front |
Diehl
T85-600 601 spring-wound countdown 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 commercial-rated to avoid overexposure injury Single-pole Buy 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. Resources How to wire timer for 208-230Volt How to wire DPDT timer for 208-240 volt |
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| Countdown timers shown below use
decor plate Some timers come with plate, and others do not  |
Buy: Buy decora plates Decora plate 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 |
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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 Resources: 6652 instruction manual 6652 Sell sheet |
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Intermatic Ei400
series battery-operated 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 Commercial grade Buy: Ei400 timer CR2 replacement battery LED bulbs Manuals/ resources Ratings Ei400 manual How to wire Ei400 timer instructions Sell sheet with model numbers Sell sheet with model numbers and wiring |
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 Marktime 42E20 Marktime 42E02 |
 MH
Rhodes 42E20 countdown/ 15-30-60-120 minutesAir King AKT120 42E20 1/3 Hp @ 120V 500 watt light, 4.4 amp Press top-button on-off switch, then press lower button to select time 42E20: 120V 7.2 amp 500W incandescent MH Rhodes 42E02 dual switch/countdown / 15-30-60-120 minutes 42E02 1/6 Hp @ 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 countdown Resources Marktime 42E20 sell sheet 42E20 manual and wiring pdf Marktime 42E01 and 42E02 timer sell sheet 42E02 manual and wiring pdf Buy: Air King AKT120 |
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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
(discontinued) 1 HP 120V / 2HP 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 CR2 replacement battery LED bulbs Manuals: Ei40C manual Sell Sheet |
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 Larger image All Sylvania timers and manuals |
Was Sylvania,
now Tork SA150 / SA155 / SA160 countdown timers Single-pole Tork SA150 120Volt Single-pole digital Countdown timer 2 independent choices/ 5 minute or 15 minute Buy: 15 amp 1/2 HP @ 120 volt SA150 Tork SA155 120Volt Single-pole digital Countdown timer 2 independent choices/ 30 minute or 60 minute Buy: SA155 Tork SA160 Dual mode 4 independent choices/ 30 minute - 12-hour /or 60 minute - 24-hour Buy: 20 amp 1 HP @ 120 volt SA160 Resources Sylvania SA150 manual Sylvania SA160 manual How to wire single-pole timers |
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 Larger image All Sylvania timers and manuals |
Tork SA170 1/2 Hp Programmable timer with optional 5 minute countdown feature Programmable countdown timer Single-pole 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 Astronomic dawn-dusk option with easy zip-code setting Buy: SA170 Resources Sylvania SA170 manual How to wire single pole timers |
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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 commercial grade Neutral required Buy:
LED bulbs Manuals/ resources Ratings Ei200 manual Sell sheet with model numbers Sell sheet with models and wiring How to wire single-pole Ei200 timer instructions at Intermatic |
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 Larger image Woods 59000 |
Woods
59000 series
countdown 1/4 Hp Single-pole 1000 Watt tungsten (incandescent) Press button next to time to start countdown Buy: 59000 series 59008 White 10, 20, 30, 60 minute 59007 White 5, 10, 15, 30 minute 59720 Almond 5, 10, 15, 30 minute 59014 White 2, 4, 8, 12 hour 59013 White 1, 2, 4, 8 hour Manual/ resource Woods 59000 series manual Sell sheet How to wire single pole timers |
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 Tork
D1060 60 minute
Tork D212 12 hour1/4 Hp Single-pole 1000 Watt tungsten (incandescent) Press button next to time to start countdown Buy: Tork D1060 timer Westek countdown timer Buy: TMDCD30 30 minute timer with hold TMDCD60 60 minute with hold Resources: Tork timers and manuals Sell Sheet How to wire single pole timers |
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GE
15318 countdown timer/ Defiant 49816/ Maxxima /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/ Maxxima timer Resources: Possible product manual |
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Cooper/
Eaton
auto-off timer/
no neutral required 1/4 Hp 120V 1000 Watt / incandescent, LED, Halogen, MLV, ELV, CFL, LED single-pole/ No neutral Buy: PT18M series PT18M-V-K 60 minute ivory PT18M-W-K 60 minute white PT18MLA 60 minute light almond / no neutral required/ Resources: Cooper PT18M Manual How to wire single pole timers |
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 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 Fluorescent (ballast) Countdown timer with on-off switch Single-pole/ For 3-way when used with Leviton companion device Buy Requires deep box 2-1/2". LTB/ select 10 minutes to 12 hour countdown/ with 3 colors/ Resources: LTB60 at Leviton LTB60 manual/ pdf |
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 Leviton-LTT60-LLT |
Leviton
LLT series/
no neutral required/ incandescent only 1/6 Hp 120 VA 120VAC/ 60 HZ 5A resistive 600Watt incandescent/ no neutral required Single-pole Buy: No neutral wire required Requires deep box 2-1/2". Leviton LTT Resources: LTT60-1LT at Leviton LTT60 manual/ pdf |
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Lutron
MA-T51 / MA-T51MN countdown timer 1/6
HP120VAC/ 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 Single-pole Buy: MA-T51 series Maestro countdown timer Lutron countdown timers Resources: MA-T51 timer manual/ no neutral/ pdf MA-T51MN timer manual/ needs neutral/ pdf Wiring instructions for Neutral Resources: MA-T51 timer manual/ no neutral/ pdf MA-T51MN timer manual/ needs neutral/ pdf Wiring instructions for Neutral |
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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 Single-pole Buy: MA-T530 Lutron countdown timers Resources: Sell sheet/ pdf MA-T530G manual |
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 RT12 |
Pass
and Seymour RT1/ 1-60 minute/ indicator light
on switch/ rated for
fluorescent/ 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 Single-pole Buy: Pass and Seymour RT1 /60 minute/ white or almond/ FT1BK black Legrand RT50I 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 |
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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 Resources: How to wire single pole timer |
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| Tork
SS20 commercial-grade countdown timer / flicker warning Variable timing: 1 minute to 18 hours 24Volt, 120V, 208-240V, 277V 50/60 Hz Input Supply, Single Pole Switch Buy: SS20F Tork SS13 countdown timer 3-way Buy: SS13F Manuals: Sell sheet SS13 manual Identical to Paragon ET series ET series manual/ pdf |
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 Tork SS20 SS13 |
Tork
SS13 commercial-grade timer/ 1 minute to 18
hour/ single-pole and 3-way
models/ 24V-120V-208-240V-277V/
flicker warning Amazon Identical
to Paragon ET
series/ neutral requiredBuy 3-way - single-pole: SS13F 3-way flicker warning Resources: Tork SS13 timer manual Tork SS series sell sheet ET series manual/ pdf Tork timers and manuals |
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Tork
M500
series Countdown timer 1/2 Hp Single-pole Buy: M560 series 60 minute / white/ M560 series 60 minute/ almond M512 series 12 hour/ almond Resources: Tork M500 series sales sheet M500 series programming and wiring Wiring instructions |
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Steamist
SMC-150-PC
Time/Temperature Control Steam room countdown timer and temperature control Buy: Steamist SMC 150 |
| Specialty application on-delay (count up) and off-delay (countdown) timers | |||
 ICM 253 delay timer 24 volt AC. 0 Hp Must use contactor Delay after operation completes, so motor circuit fully recycles before re-start. Prevents damage from power outages. Buy: ICM 253 120V to 24VAC transformer 24 Volt coil contactor Resource: ICM 253 manual |
 Dayton off-delay timer 0 Hp Must use contactor 120 240 volt models max 1 amp load Use for short duration countdown Buy: Dayton delay timer Resource: Dayton off-delay timer |
 ICM 102 on-delay timer 0 Hp Must use contactor 19-240 volt AC Buy: ICM 102 Resource: Use off delay to control motors |
 AH3-3 delay timer and base 12-24-120-240 volt off delay timer/ 0-60 minutes Countdown or count up Rated 3 amp @ 240 volt or 6 amp @ 120 volt DPST NO NC terminals Buy: 120 volt AH3-3 Delay timers Off-delay relays 120 volt delay relays Omron H3CR-A8 Dayton delay timer Resources: How to wire AH3-3 timer |
 Panel mount/ off-delay timer 1 second to 99 minute countdown timer SPST 15 amp Push button trigger |
1/2 Hp @ 120 Volt 3/4 Hp @ 240 V 120-240VAC input Buy: TA4180A Panel mount delay timer One shot timers Resources: Diehl 650 manual Diehl TA4180A manual How to wire One shot timers |
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Panel
mount/ twin timer or One shot timer Can be wired for countdown or count up. .01 second to 99 hour countdown timer DPST NO NC terminals 15 amp Push button or digital input trigger 100-220V input Buy: Twin timers Sestos twin timer Omron DH48S twin timer Resource How to wire One shot timers |
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Motor
driven commercial countdown timers PRINCE CASTLE 7-171-160R  Motor
driven countdown timer/ 2 outlets Dial-type countdown timer 120V/ Motor drive for 100% reliability Buy Prince castle 60 minute all Prince Castle counting timers Discontinued paragon 2600 Buy Buy Similar replacement 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 |
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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 E502T / 5 seconds to 3 hours/ E500T 120-240Volt off-delay timer Resources: Sell sheet with wiring diagrams More Tork timers |
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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 span style="font-weight: bold; text-decoration: underline; background-color: rgb(252, 250, 29);">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 |
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EJWT
Percentage percentage cycle
timer/ 120V or 240V SPDT 1-NO and 1 NC contact 15 seconds to 24 hour 32 repeating cycles Percentage ON 32 steps from 0% to 100% Set any time interval up to 24 hours Buy: Tork EJWT percent cycle timer EJWT 120/240V percentage timer switch EJWT 120/240 volt percentage timer Resources: Sell sheet with wiring diagrams Image of wiring 120V and 240V |
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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 variety of electrical devices For example build pinball machine using Arduino chips Buy: Starter kit with 98 projects Arduino |
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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 12 volt delay timers Resource 960 manual/ pdf |
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Infrared-off-delay-timer 0 Hp |
Buy: Infrared off delay timer |
| Countdown
timer can control any HP motor -or any amperage (30-60 Amp) or and type of Load when using contactor. -or up to 10 amps using a relay Timer controls magnetic coil on contactor or relay, and magnet opens-closes contacts that turn Load on-off. |
 See wiring illustration See contactors and relays |
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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 35316 Power end gable vent 2280 square feet Gable end vents Replacement thermostat Resources: Attic vent manual Attic vent chart |
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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 Humidistats |
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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 |
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the economy: Buy water heaters from my associate links: 50 gallon Gas water heaters 40 gallon gas water heaters 50 gallon Electric water heaters 40 gallon electric water heaters Hybrid / heat pump/ water heaters 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 |
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Buy
Tools DEWALT Black and Decker Stanley SKIL Makita Porter-Cable Bosch Irwin Hand tools Klein hand tools Fluke electrical testing Dremel hobby tools Campbell Hausfeld air powered Tekton automotive Powerbuilt automotive Saws and saw blades |
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Resource: Compare box timers DPDT timers Intermatic Control water heater w/ Z-wave |
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Resource: Intermatic control centers: and parts Digital control centers and parts Tork control centers and parts Subpanels All control centers and parts Enclosures |
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Resource: Programmable timers Countdown timers Off delay timers On delay timers Timer modules Din rail Twin & one-shot Woods Intermatic Tork |
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Recirculation systems |
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Buy
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