1 1/4 in. NPT 2-stage 24Volt Diaphragm Gas Valve.V4944B,L,N/8944B,C,L,N are Two-stage Pressure Regulating Gas Valve. These valves are used on boilers, unit heaters, duct furnaces, makeup air and rooftop heaters. FeaturesDesigned for replacement for V4844/V8844 Gas Valves.Suitable for use on atmospheric boilers, commercial water heaters, and rooftop heaters.V4944/V8944B,C,L,N models are solenoid-operated diaphragm valves that combine the functions of safety shutoff and pressure regulation in a...

Control central heating and cooling, fan coil systems, radiators and convectors. Depending on the model, it can be controlled by a low voltage SPST or SPDT switch, pulse-width modulated 24 Vac signal, or floating input, modulating controller. Features Use with two-way or three-way valves.Double insulated actuator.Five foot plenum-rated cable.Quick and easy replacement of moving parts.Actuator head installation does not require draining the system.Selectable/switchable electronic fail safe...

Control central heating and cooling, fan coil systems, radiators and convectors. Depending on the model, it can be controlled by a low voltage SPST or SPDT switch, pulse-width modulated 24 Vac signal, or floating input, modulating controller. Features Use with two-way or three-way valves.Double insulated actuator.Five foot plenum-rated cable.Quick and easy replacement of moving parts.Actuator head installation does not require draining the system.Selectable/switchable electronic fail safe...

Control central heating and cooling, fan coil systems, radiators and convectors. Depending on the model, it can be controlled by a low voltage SPST or SPDT switch, pulse-width modulated 24 Vac signal, or floating input, modulating controller. Features Use with two-way or three-way valves.Double insulated actuator.Five foot plenum-rated cable.Quick and easy replacement of moving parts.Actuator head installation does not require draining the system.Selectable/switchable electronic fail safe...

Control central heating and cooling, fan coil systems, radiators and convectors. Depending on the model, it can be controlled by a low voltage SPST or SPDT switch, pulse-width modulated 24 Vac signal, or floating input, modulating controller. Features Use with two-way or three-way valves.Double insulated actuator.Five foot plenum-rated cable.Quick and easy replacement of moving parts.Actuator head installation does not require draining the system.Selectable/switchable electronic fail safe...

Two-way Cartridge Cage Valves are intended for hydronic applications in a normal indoor environment to control flow of hot/chilled water glycol solution up to 60% concentration. These valves are designed for zone control of heating/cooling systems. Features Quick open, linear, and equal percentage flow characteristics availableBi-directional installation3000-series valves for floating and modulating non-fail safe applications1000-series valves for two-position controlHigh close-off rating...

The cartridges used in VC-Series valves determine the Cv(kv) rating and flow of a valve body and can be replaced to match original factory specifications. 1000-series cartridges fit all 2-way VC bodies. 6000-series cartridges fit all 3-way VC bodies. Features Use VCZZ1XXX with two-way valves.Use VCZZ6XXX with three-way valves.Quick and easy replacement of moving parts.Restores valve to factory-new conditions.Using different cartridge changes Cv and flow characteristic of body.Identical...

The cartridges used in VC-Series valves determine the Cv(kv) rating and flow of a valve body and can be replaced to match original factory specifications. 1000-series cartridges fit all 2-way VC bodies. 6000-series cartridges fit all 3-way VC bodies. Features Use VCZZ1XXX with two-way valves.Use VCZZ6XXX with three-way valves.Quick and easy replacement of moving parts.Restores valve to factory-new conditions.Using different cartridge changes Cv and flow characteristic of body.Identical...

The cartridges used in VC-Series valves determine the Cv(kv) rating and flow of a valve body and can be replaced to match original factory specifications. 1000-series cartridges fit all 2-way VC bodies. 6000-series cartridges fit all 3-way VC bodies. Features Use VCZZ1XXX with two-way valves.Use VCZZ6XXX with three-way valves.Quick and easy replacement of moving parts.Restores valve to factory-new conditions.Using different cartridge changes Cv and flow characteristic of body.Identical...

Single Stage, 24 Vac, Standard Opening, Standing Pilot Gas Valve. 1/2 x 1/2". Set 3.5" WC Gas valves for use in 24 Vac, gas-fired, standing pilot appliances with capacities from 20 to 200 cfh. Features Gas valves include manual valve, two automatic operators, servo pressure regulator and pilot adjustment.Compact size.Provide two automatic valves.Solenoid-operated first automatic valve opens on thermostat call for heat; closes when call for heat ends.Diaphragm-operated second automatic valve...

Gas valves for use in 24 Vac, gas-fired, standing pilot appliances with capacities from 2to 200 cfh. Features Gas valves include manual valve, two automatic operators, servo pressure regulator and pilot adjustment.Compact size.Provide two automatic valves.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.Meet codes...

Gas valves for use in 24 Vac, gas-fired, standing pilot appliances with capacities from 20 to 200 cfh. Features Gas valves include manual valve, two automatic operators, servo pressure regulator and pilot adjustment.Compact size.Provide two automatic valves.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.Meet codes...