Gas Water Heater Control Valve For Standing Pilot Systems, 160 Degree F, 1 Inch Cavity, WT8840B Replacement, AO Smith Compatible, Built Tough Immersion Well Temperature Controller

Gas Water Heater Control Valve for Standing Pilot Immersion
✔️ WT8840B replacement valve for standing pilot, immersion well use

This standing-pilot water heater control valve is a high-quality replacement for WV8840-style valves in residential and light commercial heaters that rely on an immersion-well temperature sensor. It is AO Smith compatible and designed for direct-fit replacement in standing-pilot systems.

✅ Ambient temperature rating 0°C to 60°C
✅ Maximum operating temperature 160°F
✅ 1 inch cavity for immersion-well temperature sensing
✅ AO Smith compatible standing-pilot replacement valve

💡 What is a water heater control valve used for in standing pilot systems?

A quick, handy explanation: it modulates gas flow to the burner based on water temperature readings from the immersion-well sensor, helping keep output steady and safe. - Controls gas flow to the burner based on immersion-well temperature feedback - Replacement for WV8840-style valves in AO Smith-compatible standing-pilot systems - Helps maintain safe, steady water temperatures in residential water heaters✝️