Resideo PA404A1025 Pressuretrol Controller 340155-7024 the 381-800-475 is supplied as

the 381-800-475 is supplied as a complete actuator and damper assembly to ensure the mechanical linkage and electrical end-switches are perfectly calibrated for safe operation

though the internal switching occurs strictly within the 15 to 19 psig pilot signal range

or conversely

Simplified Installation: Standard 24V wiring and a backlit LCD display ensure fast commissioning and easy-to-read system status

the McDonnell & Miller 312700 Body Gasket (Model 37-26) is a critical OEM component required to maintain the pressure-tight integrity of 47 Series mechanical water feeders

Resideo PA404A1025 Pressuretrol Controller 340155-7024 the 381-800-475 is supplied asThe Resideo PA404A1025 Pressuretrol Controller is a heavy duty, pressure actuated high limit safety control engineered specifically for steam heating boilers. This SPST switching device serves as a critical fail safe, designed to break the electrical circuit and shut down the burner if system pressure exceeds your defined set point. With an adjustable pressure range of 3 to 15 psi and a subtractive differential of 1 to 5 psi, this controller allows