This unit is essential for proportional control of dampers and valves where reliable HVAC temperature sensing is required

High Filtration Efficiency: Traps particles down to 25 µm with minimal pressure drop across the liquid line

Broad Operating Range: Dual-frequency 50/60Hz capability allows for versatile deployment across different power standards

Using a genuine Lochinvar part ensures exact fitment and prevents the improper air-fuel mixtures often caused by non-spec aftermarket alternatives

backlit digital display for enhanced visibility in various site conditions and integrates a five-minute compressor delay to prevent short-cycling and protect the outdoor unit’s residential or light commercial equipment

Lochinvar & A.O. Smith 100233654 Gasket 321702-401 This unit is essential forThe Lochinvar & A. O. Smith 100233654 Gasket Set is a critical OEM replacement kit designed for high capacity heating systems, specifically the FBL3500 and FBN3500 burner assemblies. This comprehensive set includes the primary burner gasket, hex gaskets, and sight glass seals required to maintain a gas tight seal during routine teardowns or full combustion chamber overhauls. As a seasoned technician knows, reusing compressed gaskets on industrial