this OEM part ensures precise fitment and maintains the original engineering specifications of your Lochinvar boiler or A

the A17943 features a low pressure drop profile to maintain system efficiency

Built with a Single Pole Double Throw (SPDT) contact configuration

Can this unit replace other 3 HP reciprocating compressors

Belimo TFB120-SR Actuator 328140-751 this OEM part ensures preciseThe Belimo TFB120 SR is a professional grade spring return damper actuator designed for modulating control in robust HVAC systems. Engineered for high reliability fail safe operation, this 22 in lb torque actuator ensures positive close off on air tight dampers during power loss. Operating on a universal 100 to 240 VAC power supply, it accepts a 2 to 10 VDC modulating control signal (or 4 to 20 mA with a 500? resistor) to provide precise proportional