Resideo V8043E5004 Valve R-134A which is required for HFC

which is required for HFC refrigerants like R134a and HFO blends like R513A

if it reads SWT3251

or a failure to reach designated RPMs

depending on the terminal connections used

providing robust communication between the thermostat

Resideo V8043E5004 Valve R-134A which is required for HFCThe Resideo V8043E5004 is a professional grade, two way normally closed low voltage zone valve designed for precise hydronic control in closed loop systems. This motorized valve features 1 2 inch sweat connections and a compact quick fit actuator, allowing for efficient head replacement without draining the entire system. Built with a rugged brass body, stainless steel stem, and a brass seat, it is engineered to handle a maximum close off pressure of