Hydrolevel 3150 Hydrostat Freon Rapid Filling: Built-in manual purge

Rapid Filling: Built-in manual purge lever enables quick manual filling of the system during initial commissioning

Precision Balance: Factory-aligned to prevent shaft oscillation and extend the service life of the blower motor bearings

Does this thermostat require a neutral wire

With a mechanical life rating of 10 million cycles

Hydrolevel 3150 Hydrostat Freon Rapid Filling: Built-in manual purgeThe 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