This OEM furnace limit switch features durable construction and a precise bimetal disc for reliable HVAC safety control across thousands of cycles

25mm thread

Solid-state construction provides reliable resistance to vibration and thermal cycling common in outdoor high-static environments

ensuring the exact pressure drop required to maintain optimal superheat across the evaporator

the Spirax Sarco 13WS ensures optimal circulation by removing air pockets at system high points

Belimo Z3075Q-J Valve THPU32HP7Y This OEM furnace limit switchThe Belimo Z3075Q J is a high performance 3 4" 3 way zone valve engineered for precise hydronic control in tight mechanical spaces. Part of the ZoneTight (QCV) series, this valve features a 4. 6 Cv rating and a forged brass body designed for chilled or hot water applications, including up to 60% glycol solutions. For technicians, the snap fit design is a critical advantage, allowing for tool free actuator mounting that significantly reduces