Resideo HPZC103 Controller 326058-755 also known as the 750

also known as the 750 Series mechanical float valve

Check for debris or blockages in the line and ensure the operating pressure does not exceed the 25 PSI limit

Additional auxiliary blocks can be field-installed if your control scheme requires more contacts

The Rheem 42-101443-89 is commonly found in RGVC and UGDC series furnaces

This OEM replacement part features a 1/2" flare (FLR) inlet and a 3/8" ODF (Outside Diameter Female) outlet

Resideo HPZC103 Controller 326058-755 also known as the 750The Resideo HPZC103 Controller is a professional grade three zone valve controller designed to streamline hydronic distribution in multi zone residential or light commercial applications. Engineered for compatibility with 2 wire and 4 wire zone valves, this logic panel simplifies wiring by consolidating connections into a single interface. The HPZC103 features diagnostic LEDs to indicate zone calls and valve status, allowing technicians to