Reznor 129543 Venter Assembly 340155-7024 providing a leak-proof seal across

providing a leak-proof seal across standard operating temperatures

Smith water heaters—including various commercial and residential power-vented models—this switch prevents hazardous operation by opening the electrical circuit if venting or intake blockages are detected

as these factors often mimic TXV failure symptoms

Enhanced Safety: Includes a factory-installed circuit breaker to protect the internal wiring and heating elements from overload

Universal Mounting: Fits standard 35mm DIN rail or can be surface mounted in a control panel using the included sub-base

Reznor 129543 Venter Assembly 340155-7024 providing a leak-proof seal acrossThe Reznor 129543 Venter Motor and Wheel Assembly is a critical OEM replacement part engineered for high performance combustion exhaust in industrial and commercial gas fired unit heaters. Operating at 208 230V, this centrifugal venter assembly is purpose built for Reznor UDAP, UDAS, UDBP, and UDBS models, specifically in the 200 to 400 MBH size range. As an integrated unit, it features a precision balanced venter wheel and a resiliently isolated