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

it offers sufficient capacity for modern Daikin and McQuay air handlers and rooftop units

the 1140007 ignition module improves overall fuel efficiency and reduces component wear

For contractors performing annual service or emergency repairs

Siemens Combustion SQN71.603R19 Actuator 324846-701 the 5651-163 expansion valve maximizesThe 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