Berko 4520-2048-000 Limit Switch and R-407C when paired with

and R-407C when paired with the appropriate internals

this sensor prevents excessive ice accumulation on the outdoor coils

contractors can ensure their Maxitrol RV111 or RV110 units perform to original factory flow capacities without compromising the straight-thru-flow efficiency required for high-demand burners

ensuring a perfect fit for 1600

ensuring proper HVAC safety circuit integrity

Berko 4520-2048-000 Limit Switch and R-407C when paired withThe Berko 4520 2048 000 is an OEM 135F CO Auto Limit Switch designed for high performance thermal regulation in Marley Engineered Products and QMark 900 Series B heating systems. This 2 pole limit switch operates with an automatic reset mechanism, functioning as a critical safety component that opens on temperature rise to prevent overheating. Engineered for HVACR technical specifications, it features a single pole single throw (SPST) switch action,