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RoHS Compliant
Direct OEM Replacements Designed for High Volume Major Brand Controls
Models Include PSC, Variable Speed and ECMX Motor Control
Diagnostic Led Indicators Streamline Installation and System Troubleshooting
120V Air Cleaner Output and 120V Humidifier Output Up to 1 Amp Max
Factory Standard Safety Timings and Adjustable Fan Delay Options
Replaceable Automotive Style Fuse
Use with Natural or Liquid Propane Gas
Provides 100 Percent Pilot Gas Shutoff if Pilot Fails to Light after 6-Minute Delay, Trial for Ignition is Repeated
Ignition Trail/Delay Sequence is Repeated Until the Appliance Lights or Call for Heat is Removed
In-Line Draft Inducers Assure Positive Draft when Restricted Boilers and Furnaces, Poor Chimneys or Negative Pressures in Buildings Prevent Proper Exhaust of Combustion Gases
In-Line Inducers are Built for Long Lasting, Trouble-Free Service
Made in USA
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
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
Use to Interlock with Self-Generated Millivolt Gas Water Heaters
Includes a Gas Pressure Switch to Sense Main Burner Operation, a Linear Limit Flue Gas Spill Switch and a Thermocouple Junction Adapter to Tie into the Heater's Thermocouple Circuit
Made in USA
Proven, Reliable Temperature Control
Many Flexible Versions to Meet Your Application Needs
Panels Can be Used with Staged Gas, Oil or Electric Heat
Modulating Gas, Hot Water or Steam Heat and Direct Expansion or Modulating Chilled Water Cooling
Control up to 3 On-Off Heat or Cool Stages or up to 10 On-Off Heat and/or Cool Stages Using W975 Satellite Sequencers
Modulating Dc Current Signal Controls Economizer Heating or Cooling Valve Motors
T7067 Dual Set Point Thermostat/Transmitter Located in Controlled Space Provides Heating and Cooling Input Signal Based on Space Demand
C7046A Sensor Located in Discharge Air Duct Provides Heating/Cooling Anticipation and Economizer Modulating Low Limit Signal
System Cycles All Stages Off on Power Interruption
When Power is Restored, System Sequences Required Stages on with Timed Inter-Stage Delay
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
All Adjustments, Wiring Connections and Pilot Outlet are Accessible from Top of Control
Clearly Marked, Keyed Terminal Block Allow Quick Attachment of Wire and IP/DSI/HSI Jumper
Internal Inlet Screen Blocks Contaminants in Gas Line from Entering Valve
Mounting Detail 0 to 90 Degree in any Direction from Upright Position of Gas Control Knob, Including Vertically
Compact size
All adjustments and wiring connections accessible from top of control
Four-inch swing radius allows easy rotation into position inside the tightest furnace vestibules
Clearly marked, keyed terminal block allows quick attachment of wires and IP/DSI/HSI jumper
Internal inlet screen blocks contaminants in gas line from entering valve
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
Compatible with ECO Connector
ON-OFF Lighting Sequence
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
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
Compatible with ECO Connector
LITE-RITE (Off-Pilot-On) Lighting Sequence
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
Meets codes requiring dual safety shut-off
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
Compatible with ECO connector
LITE-RITE (OFF-PILOT-ON) lighting sequence
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
Meets codes requiring dual safety shut-off
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
Compatible with ECO connector
LITE-RITE (OFF-PILOT-ON) lighting sequence
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
Adjustments, Wiring Connections and Pilot Outlet Accessible from Top of Control
Compact Size
On-Off Lighting Sequence
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
Adjustments, Wiring Connections and Pilot Outlet Accessible from Top of Control
Compact Size
On-Off Lighting Sequence
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
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 the regulator
Closes if gas or power supply is interrupted
Meet codes requiring dual safety shutoff
All adjustments, wiring connections and pilot outlet are accessible from top of control
ON-OFF lighting sequence
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
Compatible with ECO Connector
On-Off Lighting Sequence
Combination Gas Control for Use in 24 Volt AC Gas-Fired, Intermittent Pilot Appliances with Capacities from 30 to 415 CFH
Compact Size
Solenoid-Operated First Automatic Valve Opens on Thermostat Call for Heat, Closes When Call for Heat End
Diaphragm Operated Second Automatic Valve Opens Under Control of Regulator, Closes if Gas or Power Supply is Interrupted
All Adjustment, 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
Compatible with ECO Connector
On-Off Lighting Sequence
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
Compatible with ECO Connector
On-Off Lighting Sequence
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
Compatible with ECO Connector
LITE-RITE (Off-Pilot-On) Lighting Sequence
Combination Gas Control for Use in 24 Volt AC Gas-Fired, Standing Pilot Appliances with Capacities from 30 to 300 CFH
Compact Size
Solenoid-Operated First Automatic Valve Opens on Thermostat Call for Heat, Closes When Call for Heat End
Diaphragm Operated Second Automatic Valve Opens Under Control of Regulator
Closes if Gas or Power Supply is Interrupted
Meets Codes Requiring Dual Safety Shut-Off
Lite-Rite (Off-Pilot-On) Lighting Sequence
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
Compatible with ECO Connector
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
Meets codes requiring dual safety shut-off
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
Compatible with ECO connector
LITE-RITE (OFF-PILOT-ON) lighting sequence
Combination Gas Control for Use in 24 Volt AC Gas-Fired, Standing Pilot Appliances with Capacities from 30 to 300 CFH
Compact Size
Solenoid-Operated First Automatic Valve Opens on Thermostat Call for Heat, Closes When Call for Heat End
Diaphragm Operated Second Automatic Valve Opens Under Control of Regulator
Closes if Gas or Power Supply is Interrupted
Meets Codes Requiring Dual Safety Shut-Off
Lite-Rite (Off-Pilot-On) Lighting Sequence
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
Compatible with ECO Connector