Johnson Controls V47AB-4 Valve Els PW 17895 54" vacuum pressure to ensure

54" vacuum pressure to ensure the system locks out if the blower or venting path is compromised

this specific part is designed for the Forsaire direct vent (counterflow) series

Common Questions Can I just tighten the natural gas spring instead of using the S1-025-25463-000

Common Questions Does this model support millivolt systems

Designed for OEM fit

Johnson Controls V47AB-4 Valve Els PW 17895 54" vacuum pressure to ensureThe Johnson Controls V47AB 4 is a direct acting temperature actuated water regulating valve engineered for precision sensing in heating applications. This 1 2 inch NPT cast brass valve features a heating point range of 160 to 230 degrees F, making it a reliable solution for maintaining specific discharge water temperatures in heat exchangers and cooling towers. The assembly includes a Style 4 sensing bulb (11 16" diameter by 3 1 4" length) and a 6