Description
this modulating actuator provides reliable service in air plenums and compact mechanical spaces
Reliable Venting: Efficiently purges toxic combustion byproducts to maintain indoor air quality and safety
this electronically commutated motor utilizes advanced permanent magnet technology to reduce operating costs while maintaining consistent indoor comfort
Engineered as an authentic Lennox replacement part
This geothermal circulation pump is vital for maintaining the EER and COP ratings of the overall system
Siemens Building Technology 277-03170 Valve Assembly 321042-401 this modulating actuator provides reliableThe Siemens 277 03170 Valve Assembly is a heavy duty 2 way normally open globe valve engineered for precise modulating control in hydronic heating and cooling systems. Built with a rugged UNS CA 844 bronze body and durable brass trim, this 2 inch NPT assembly is rated for ANSI Class 250 applications, supporting a 40 Cv flow capacity with an equal percentage flow characteristic. This ensures linear heat output even during fluctuating pressure drops,