Avoid mounting the actuator below the horizontal plane to prevent moisture buildup in the diaphragm

supply air temperature

The Beckett AF57XNSS Air Tube Combination is an integral component for optimizing combustion in oil-fired HVAC systems

The Johnson Controls A19DAF-2 is a heavy-duty strap-on temperature control specifically engineered for high-limit or operating control on hot water pipes

Resideo L8148A1017 Relay 322057-301 Avoid mounting the actuator belowThe Resideo L8148A1017 High Limit Aquastat Relay is a specialized immersion type controller designed for 120Vac forced hydronic heating systems. This unit provides critical high limit protection while functioning as the primary switching relay for both burner and circulator motors. Engineered for high demand residential and commercial boilers, it features a 140 240 degree high limit operating range with a fixed 8 degree differential. The SPST