The Bradford White 239-43370-00 Gasket is a critical high-temperature seal designed specifically for the spark rod assembly in gas-fired water heaters

Always verify your specific valve model number on the nameplate to ensure proper fitment with this technical rebuild set

3-inch frame diameter with a shell length of 3

s combustion assembly

including shaft-up or shaft-down configurations common in condenser units

Viessmann 7855737 Burner Gasket 321894-709 The Bradford White 239-43370-00 GasketThe Viessmann 7855737 Burner Gasket is a critical OEM replacement component designed to maintain a high integrity seal for 1. 5 2. 0 MMBH condensing boilers. As a veteran technician knows, a compromised seal at the burner door or tube interface leads to dangerous flue gas leakage and significant drops in combustion efficiency. This high temperature burner gasket is engineered to withstand the extreme thermal cycling of commercial HVAC systems,