Belimo Z3075QS-J Valve 319848-301 The Energy Cut-Off (ECO) is

The Energy Cut-Off (ECO) is a safety high-limit that breaks the electrical circuit if the water temperature reaches an unsafe level

ensuring the high torque actuator maintains precise positioning over long-term operation

Scored shafts are usually the result of seized bearings or improper set-screw tension on the blower hub

Versatile Mounting: Optimized for easy integration into existing furnace or rooftop unit plenum cabinets

this valve is a staple for contractors performing HVAC repair on split systems and heat pumps

Belimo Z3075QS-J Valve 319848-301 The Energy Cut-Off (ECO) isThe Belimo Z3075QS J Valve is a high performance 3 4" 3 way zone valve designed for demanding commercial HVAC applications. Part of the Belimo ZoneTight (QCV) series, this valve features a 4. 6 Cv rating and is specifically engineered for precise hydronic control in space restricted areas like fan coil units, VAV reheat coils, and radiant panels. Constructed with a forged brass body and a chrome plated brass ball, the Z3075QS J utilizes self cleaning