Ignition Sequence includes timed trial for Ignition

Continuous retry trials for Ignition to Lockout

The Control Communicates Directly with the ST9160 Electronic Fan Timer in Typical Forced Warm Air Furnace Application

It Can Directly Interface with the Appropriate Power Supplies and a System Thermostat for Additional Appliance Application

When Controlled Directly by a Thermostat the Control Does Not Provide a Postpurge Function, as Power to the Control is Removed when the Thermostat Call for Heat Ends

One-Second Maximum Closing Time

Continuously Displays the Valve Position with a Red Indicator When Open and a Yellow Indicator When Closed

Mount in any Position Directly to Valve Bonnet with Three Setscrew

Provide Final Safety Shut-Off Service When Used with V5055 or V5097 Gas Valve

One-Second Maximum Closing Time

Continuously Displays the Valve Position with a Red Indicator When Open and a Yellow Indicator When Closed

Mount in any Position Directly to Valve Bonnet with Three Setscrew

Provide Final Safety Shut-Off Service When Used with V5055 or V5097 Gas Valve

One-Second Maximum Closing Time

Continuously Displays the Valve Position with a Red Indicator When Open and a Yellow Indicator When Closed

Mount in any Position Directly to Valve Bonnet with Three Setscrew

Provide Final Safety Shut-Off Service When Used with V5055 or V5097 Gas Valve

Magnetically Operated, Normally Closed

Provide Instantaneous Action When Energized

On Power Failure, Valve Closes in One Second Maximum

Use in any Position, Directly in Pipe Line or on Support Bracket

Replace the Solenoid Coil without Removing the Valve Body from the Piping Connections

Provide On-Off Control of Natural, LP and Manufactured Gases to Pilot Burners in Industrial and Commercial Applications

Provide Instantaneous Action When Energized

On Power Failure, Valve Closes in One Second Maximum

Use in any Position, Directly in Pipe Line or on Support Bracket

Replace the Solenoid Coil without Removing the Valve Body from the Piping Connections

Straight-Through Valve Pattern

WT8840 Water Heater Control is Designed for Use in Standing Pilot Applications Using an Immersion Well for Water Temperature Sensing

The WT8840 is Powered from a Thermopile Heated by the Standing Pilot Flame

Temperature Control as Well as Water Temperature Limit Function

Compact Size

Solenoid-Operated First Automatic Valve Opens on Thermostat Call for Heat, Closes When Call for Heat Ends

Diaphragm Operated Second Automatic Valve Opens Under Control of Regulator, Closes If Gas or Power Supply is Interrupted

All Adjustments, Wiring Connections and Pilot Outlet are Accessible from Top of Control

Adjustable Servo Regulator Effectively Maintains Almost Constant Gas Output Pressure Under Wide Fluctuations in Gas Supply Pressure

On-Off Lighting Sequence

Easy to install, adjust and service

All adjustments and connections are accessible from top of control

Add separate energy cutoff (ECO) where codes call for dual safety shutoff

Complete safety shutoff on pilot flame failure

LITE-RITE (OFF-PILOT-ON) lighting sequence