What is the ASCO SU8220G406 used for

assisting in the resolution of persistent U4 fault codes and sensor errors

Safety Compliance: Plays a vital role in the high-limit and operating control sequence to prevent system overheating

allowing it to function even in gravity-fed or extremely low-pressure steam headers

The 110/120V AC 50/60Hz coil is integrated into a compact

Resideo VR8304Q4511 Valve 321894-706 What is the ASCO SU8220G406The Resideo VR8304Q4511 Valve is a professional grade, two stage gas valve engineered for high capacity applications up to 300,000 BTU. Designed as a combination gas control, this unit integrates a manual valve, two automatic operators, and a pressure regulator into one compact intermittent pilot gas valve. It operates on 24vac and features a 3 4" x 3 4" straight through body pattern, with 1 4" male quick connect terminals for streamlined electrical