System Protection: Acts as a primary safety interlock to prevent the heater from operating under low-flow or no-flow conditions

The Emerson Alco 060249 (Model SFD13S5VV) is a professional-grade suction line filter drier designed for high-efficiency system protection in residential and light commercial HVACR applications

The DIN plug with the included 36" cable provides a secure

maximizing the thermal efficiency of the Raypak heating system

and potential moisture carryover into downstream sensitive pneumatic instrumentation

McDonnell & Miller 150S-M-HD Controller Refrigerant System Protection: Acts as aThe McDonnell & Miller 150S M HD Controller (Part Number 173203) is a heavy duty, replacement head mechanism designed for industrial and commercial steam boiler applications. This combination low water cut off and pump controller features a snap acting manual reset switch, providing essential safety redundancy by preventing the burner from firing if a low water condition occurs. Engineered for durability, the unit utilizes a corrosion resistant Monel