and WHB fire tube boiler series

making it a reliable solution for optimizing heating and cooling strategies through precise outside ambient temperature detection

the 5651-163 expansion valve maximizes heat transfer efficiency and stabilizes system pressures

Contractor-Grade Compatibility: Standard 3

Utilizing this component in an LP application without the proper conversion and orifice sizing can lead to improper combustion and hazardous operating conditions

Siemens Combustion SQN71.603R19 Actuator 324846-701 and WHB fire tube boilerThe Siemens Combustion SQN71. 603R19 Actuator is a precision engineered 120Vac reversing actuator designed for the reliable positioning of air and gas dampers in burner applications. This electromotoric actuator features a high performance synchronous motor that drives a shaft and switch cam drum, providing exceptional control for two stage or three stage systems. With a running time of 25 seconds for 90 rotation at 60 Hz and a rated torque of 22 lb