How to light gas water heater
Don't do it
Waterheatertimer.org
is a self-help site
How to wire subpanel Figure Volts Amps Watts for water heater
How to install point of use water heater Point of use water heater
Compare 16 electric and 3 gas water heater timers How to wire subpanel 9 ways to save with water heater
How to install recirculation system Point of use water heater
Troubleshoot electric water heater Troubleshoot gas water heater How to wire tankless electric
Type 1 and type 2 surge protection surge protection
Search waterheatertimer.org / all results
Search using Find button  

 Tweet button  

Bradford White gas water heater timer

Gas water heater timer requires 3 things:
1. The "ICON gas valve"/ Honeywell gas control valve
2. 24-volt AC "Accessory Module that powers available features.
3. The Programmable Setback Controller which is a 4-time-per-day, 7-day a week gas water heater timer
Gas water heater timer

 interface with the Honeywell gas control valve

Gas water heater timer

Current product:

Programmable setback controller/ for commercial gas water heater timer

7-day programmable timer 2-on-off per week/ works with Bradford White Honeywell gas control valve
Temperature control
Diagnostic codes
programmable setback control

Resource:
Control system sell sheet
Manual
Manual
Bradford White ICON gas valve
Larger image

ICON gas valve/ Honeywell gas control valve

Resources:
Error codes
Error codes/ troubleshooting
To reset gas control, rotate dial to OFF, wait 10 minutes for gas to clear. Then relight.
State/ AO Smith: Error codes/ service manual
Bradford White: Error code, service manuals

Troubleshoot gas control valves
Icon gas control error codes
Full service manual
Honeywell power vent gas valve error codes
Power vent service manual
Bradford White and FVIR
Resources:
Icon gas valve
Adjust temp on Honeywell gas valve
Icon gas control valve error codes
To reset gas control, rotate dial to OFF, wait 10 minutes for gas to clear. Then relight.
How to light water heater
How to light water heater/ pdf
Bradford White Service manual

More Bradford White service manuals
How to rerplace gas control valves
How to test gas control valve
How to light Honeywell gas control
gas water heater timer

New summer 2015

Gas water heater timer now fits the Honeywell gas control valve


Resources:
How to install and get promo code to buy gas water heater timer
Icon gas valve

Temperature settings

Light honeywll gas valve

Indicator light is blue/ not green

How to light water heater
How to light water heater/ pdf
WV8840 Gas Valve
See larger

Icon gas valve overview

How to test and replace gas control valve
Step-by-step how to replace honeywell gas control valve
WV8840 Gas control valveLarger image
Disassemble Icon gas control

Temperature sensor, igniter and gas control can be replaced without draining tank.
Backplate remains installed.
How to replace honeywell gas control valve

How to replace Honeywell gas control.
1) Unplug wires and disconnect piezo igniter
2) Remove 1 screw. On front bottom below plastic cover is 1 screw located on left side.
3) Remove platic cover. Tip plastic cover out from bottom, and then pull straight back toward you and cover snaps off. Caution: plastic cover is connected to body with 3-strand yellow-orange-white wire.
4) Disconnect yellow-orange-white wire. Wire is plugged into circuit board on plastic cover. Grasp wire and pull upward to unplug wire from circuit board..
5) Remove valve body from backplate. There are 2 plastic clips that hold valve body to backplate. These are located at bottom on right and left side. Use screwdriver to push 1 clip down while while using another screwdriver to pry valve body outward. Then use screwdriver to push down other clip to release valve body.

Service manual (10Mb)
Service manual 2

Honeywell makes 2nd style gas control



More gas control valves
Troubleshoot power vent water heater
Troubleshoot gas control valves / service manuals/ error codes replacement steps
No bull, no pop ups, just information
Honeywell WV8840 circuit board
Larger image
COM port/ communication port connects on  RX TX GND located at bottom of image
GND is ground, other two contacts are unknown
WV8840 communication port
Image shows front and back of circuit board flipped in photoshop so front and back can be laid over top of the other.

I cannot find a spec sheet showing model numbers, or differences between models.
I do not know electronics and therefore cannot dissect the circuit board inside the gas valve.

Circuit board is powered by current generated by heating thermistor. E1 and E2 in lower right corner connect to thermistor.
Bradford White Service manual

The Bradford White gas water heater timer connects to COM port on Honeywell gas control valve thermostat. Timer is for specific models only.

I do not know how the 24volts interfaces with the RX TX GRD communication terminals on the gas control valve thermostat
Additional links

How to install tank-type gas water heater
How to troubleshoot Rheem tankless

How to troubleshoot Bosch tankless

Troubleshoot electric water heater

Troubleshoot gas water heater

Leaking water heater
Flooded water heater
Water heater got wet

Maintain efficiency

Cost to operate water heaters

Anode rods

Off-peak water heater

9 ways to save with water heater
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

How to replace water heater element Waste King disposal
How to wire tankless electric


Install point of use water heater
Titan tankless

Contactors/ relays
Install and troubleshoot garbage disposal Waste King disposal
Programmable timers

Woods timers
surge protection
Anode rods anode rods
Recirculation system

Tankless recirculation
Point of use water heater
Type 1 and type 2 surge protection surge protection
Buy
Industrial electric

Industrial supplies

Tools and home improvement

Home and garden

Hayward pool
Pentair pool

Southwire electric
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
box timers Resource:
Compare box timers
DPDT timers
Intermatic
Control water heater w/ Z-wave
Intermatic control centers Resource:
Intermatic control centers: and parts
Digital control centers and parts
Tork control centers and parts
Subpanels
All control centers and parts
Enclosures
programmable timer Resource:
Programmable timers
Countdown timers
Off delay timers
On delay timers
Timer modules
Din rail
Twin & one-shot
Woods
Intermatic
Tork
Low voltage power packs Recirculation systems
Enter Amazon from my links
Amazon

E-mail: geno03245w@gmail.com
My response might end up in spam folder, check email folders
Waterheatertimer on Twitter