This OEM replacement part is natively compatible with Tjernlund HS1

The Danfoss 034L0045 is a professional-grade KVL 22 crankcase pressure regulator designed to protect compressor motors against overload during startup after long standstill periods or defrost cycles

This comprehensive kit is engineered specifically for Weil McLain WTGO

Fast Installation: Features auto-commissioning for stroke detection

internal duct obstructions

Siemens Building Technology GQD226.1U Actuator 323613-751 This OEM replacement part isThe Siemens GQD226. 1U is a heavy duty, 120V electronic damper actuator engineered for precise two position control in demanding HVACR applications. As part of the OpenAir GQD Series, this spring return rotary actuator delivers 20 lb in (2 Nm) of torque, making it an ideal choice for managing control dampers, economizer units, and residential zone systems that require absolute fail safe reliability. Built with a rugged NEMA 1 plenum rated housing, the