Wide Series Compatibility: Fits a broad range of Sterling HVAC unit heaters

Proper installation of these Parker refrigeration parts is essential for maintaining the volumetric efficiency of the system and preventing refrigerant bypass

or motor failure

Service intervals depend on cycle frequency and media cleanliness

Hydrolevel 3150 Hydrostat Refrigerant Wide Series Compatibility: Fits aThe Hydrolevel 3150 Hydrostat is an industry standard, 120Vac universal dual function oil boiler control designed to integrate temperature limit control and low water cut off (LWCO) into a single microprocessor based unit. Engineered for versatility, the 3150which is numerically identical to the 48 3150serves as a direct replacement for various Honeywell Aquastat models, including the L7224U, L8124, and L7248 series. It is specifically optimized for