Copeland Comfort Control (White Rodgers) 1311-102 Zone Valve Els PW 17895 then tighten with a 5/8"

then tighten with a 5/8" wrench to approximately 10 lb-ft

or GS series thermostats

depending on the specific system configuration and immersion well requirements

ensuring exact fit and pin-to-pin alignment without field modifications

Copeland Comfort Control (White Rodgers) 1311-102 Zone Valve Els PW 17895 then tighten with a 5/8"The Copeland Comfort Control (White Rodgers) 1311 102 Zone Valve is a professional grade 3 4" 3 wire 24V zone valve engineered for precision flow control in residential and light commercial hydronic heating systems. As a core component of the 1300 series hydronic zone valves, this model features a self aligning barrel type valve stem and a rugged stainless steel body to resist corrosion and ensure long term reliability in high temperature