24 volts for heating for single stage systems - Vented cover - Setting lever and thermometer scale on thermostat face - Mounts directly on the wall or on vertical outlet box
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Used to help keep the boiler and heat emitters clean as the dirt and magnetite are gathered in the separator, improving heat transfer with air removal - Must purchase union kits separately - 145 PSI maximum pressure - 17.6 GPM maximum flow rate
480 Volts Input - 12 inch primary color coded wire leads and 12 inch color coded lead wires for secondary connections - 75VA output - Foot mounted - Internally fused secondary for overload protection
For use with VC series valve, 1000 series two way valves and 6000 series three way valves - Double insulated actuator
Magnetically operated - Normally closed
For use with two wire 24 volt room thermostat or other two position damper control - Single pole single throw (SPST) end switch
Can control pressure, humidity or any variable analog input - Easy to use graphcal interface with large display and intuitive programming - 2 temperature inputs - 2 single pole double throw (SPDT) relays - 1 sensor
Combines gas flow control and electronic intermittent hot surface pilot ignition and sequencing functions into a single unit - Includes natural gas to LP conversion kit - Includes two 3/4 inch to 1/2 inch bushing
Microprocessor based integrated burner control for automatically fired gas, oil, coal or combination fuel single burner applications - Includes: automatic burner sequencing, flame supervision, system status indication, system or self diagnostics and trouble shooting - Five LED's provide sequence information - Five function run/test switch - Non-volatile memory retains history files and lockout status after loss of power
For use with VC series two way or three way valves - Double insulated actuator
For use with any 7800 series flame relay module - Provides current system status along with first out annunciation and system diagnosis using a five row by 64 column readout - Provides local or remote annunciation of operation and fault information, remote reset, report generation, burner control data and diagnostic information - This display module is part of the 7800 series of microprocessor based burner controls for gas, oil, coal or combination fuel single burner applications
This reversing proportional motor is used to drive gas burner firing rate valves, dampers or auxiliary equipment - Stroke is adjustable from 90 to 160 degrees - One auxiliary switch
Fits 1/2 inch through 1-1/4 inch F76S - Includes impeller and "O" rings
Used to control swimming pool water temperature and provide high limit boiler control - Pool side control is ambient temperature compensated so changes in air temperature do not affect water temperature - Non-adjustable differential - Automatic high limit reset
Fits 1/2 inch through 1-1/4 inch F76S - Includes impeller and "O" rings
Replacement for Bradford White standing pilot water heater part number 415-52907-01
For use with R7861 Dynamic Self Check Amplifiers for sensing the ultraviolet radiation generated by the combustion of gas or oil - 120 volts
For use with one pipe steam or hot water systems - For free standing radiators and convectors with standard heating capacity requirements
Three way threaded globe valve that controls hot water, cold water, and glycol solutions (up to 50 percent concentration) in heating or cooling HVAC applications - The valves are used for mixing service to direct flow from one or two inlets to a common outlet in two position or modulating control systems
Single pole single throw (SPST) snap acting break on pressure rise - For use with steam, air or non-combustible gases - Auto recycle - Clear plastic cover
Electronic radiator controller with a modern design provides features for convenience and energy saving - Used as stand alone controller for radiator heating control applications - For optimized readability of the backlight display, the display position can be adjusted as well - The display is switched on as soon as a button is pressed or the wheel is rotated - Fast installation due to the simple lock mechanism closing the device at the radiator valve - Up to 3 pre-set standard time programs are selectable - After the installation the HR90 operates immediately to the factory set program - Includes operation/child lock - Auto frost protection
High capacity valve for use with two pipe steam or hot water radiators - For use with T104 actuator (sold separately) - Nickel plated bronze body - EPDM valve seat disc - All working parts can be replaced with valve in service
Single pole single throw (SPST) pressure activated high limit safety control for steam boilers - Snap acting micro switch - Breaks at set point on pressure rise
Used for closed loop hydronic systems designed for cycling (not constantly powered on) - Manual opener can be used for valve operation in case of power failure - Motor can be replaced without removing the valve body or draining the system - Three way diverting valve - 24 volts
For use in farm buildings such as barns, brooder houses, poultry houses, hog houses, pump houses, milk houses and crop storage houses - coiled copper tube sensor element - Adjustable from 35 degrees to 100 degrees
For 1 heat hydronic systems - Not for heat pump systems - Battery power - Works with 24 volt, 120 volt, 240 volt and millivolt systems - Touchpad controls
Normally closed - Used with 120 volt controllers - High valve spring force allows up to 0.7 PSI back pressure at valve seat - Inlet pressure changes do not affect ability to close the valve
Single pole single throw (SPST) snap acting break on pressure rise - For use on oil burners - Auto recycle - Clear plastic cover
Installs directly on water heater hot outlet port
Maintains a constant outlet pressure over a wide range of inlet supply pressures - Can be used for potable water and irrigation systems - No gauge is needed to install or set static pressure - Non-corroding unitized cartridge - Outlet pressure adjustment range from 25 PSI to 90 PSI - 1/4 inch tap for gauge if gauge is desired - 250 PSI maximum inlet pressure
Pressure actuated high limit safety control for steam heating boilers - Breaks an electrical circuit to shut down the burner if steam pressure rises above a safe level - Contains one single pole single throw (SPST) MICRO SWITCH snap acting switch - The switches open automatically, but must be reset manually - A screw on top of the case allows set point adjustment without removing the cover - 1/4 inch FIPS connection
Differential is adjusted by means of a dial located inside the case with 1 to 5 PSI adjustment range
Used for closed loop hydronic systems designed for cycling (not constantly powered on) - Motor can be replaced without removing the valve body or draining the system - Two way normally closed valve - 24 volts
Used for closed loop hydronic systems designed for cycling (not constantly powered on) - Manual opener can be used for valve operation in case of power failure - Motor can be replaced without removing the valve body or draining the system - Three way diverting valve - 120 volts
Used to ignite gas pilots with spark gaps up to 1/4 inch - For use only in interupted ignition applications - 120 volts - 50/60 Hz
Millivolt heat only - Single pole single throw (SPST)
High capacity valve for use with two pipe steam or hot water radiators - For use with T104 actuator (sold separately) - Nickel plated bronze body - EPDM valve seat disc - All working parts can be replaced with valve in service
Maintains a constant outlet pressure over a wide range of inlet supply pressures - Can be used for potable water and irrigation systems - No gauge is needed to install or set static pressure - Non-corroding unitized cartridge - Outlet pressure adjustment range from 25 PSI to 90 PSI - 1/4 inch tap for gauge if gauge is desired - 250 PSI maximum inlet pressure
Provides floating control - Provides two additional outputs: 1 - Analog/TRIAC, 1 - TRIAC - Provides a night setback terminal
Used with V100 and V2000 - Allows automatic temperature control in two pipe steam or hot water systems for free standing radiators, convectors, and other heating units with standard capacity requirements - 16 foot long capillary
8 inch insert - Used to control high limit and fan motors in forced air heating systems - Manual fan switch - Push in receptacles for stripped wire - Female receptacles for 1/4 inch male flag connectors - Auxiliary screw terminals
Two way unitary bormally open pneumatic radiator valve with actuator - Used with two pipe hot water or steam radiators - 15 PSI steam working pressure - 125 PSI water working pressure
Eliminates excessive pump head pressure when most radiator valves are closed due to reduced demand - Controls the flow through a bypass line when the difference betwen supply and return exceeds the setpoint