Its graphite construction ensures exceptional thermal stability and resistance to corrosive condensate

allowing your unit to transition seamlessly between heating and cooling cycles

Universal Retrofit Compatibility: Use the 3/4 inch inverted flare body to replace legacy valves in restricted spaces without specialty tools

The "/U" suffix typically denotes universal packaging

reducing the risk of system shutdowns caused by weak flame rectification

Resideo V4043A1002 Zone Valve 319848-301 Its graphite construction ensures exceptionalThe Resideo V4043A1002 Zone Valve is a reliable, high performance solution for controlling the flow of hot or chilled water in closed loop systems. This 120V hydronic zone valve features a 1 2 inch flare connection and is designed with a normally closed configuration, utilizing a spring return to close mechanism for fail safe operation. Built for durability in demanding environments, it incorporates a brass body, a corrosion resistant stainless steel