Lochinvar & A.O. Smith 100135269 Burner 320788-704 Improved Flame Sensing: Enhanced metallurgy

Improved Flame Sensing: Enhanced metallurgy in the sensing probe reduces resistance issues that cause intermittent pilot outages

Constant dripping often indicates thermal expansion issues rather than a valve defect

preventing reservoir overflow and protecting the equipment from water damage

this auto reset limit switch automatically opens the electrical circuit to the gas valve or ignition control if internal plenum temperatures exceed safe thresholds

this steel adapter provides a reliable

Lochinvar & A.O. Smith 100135269 Burner 320788-704 Improved Flame Sensing: Enhanced metallurgyThe Lochinvar & A. O. Smith 100135269 Burner is a precision engineered 100% OEM replacement for high efficiency condensing boilers, specifically designed for WH285 and WH399 models. As a critical component in the combustion assembly, this burner ensures an optimal air to fuel ratio, supporting the high turndown ratios found in the Lochinvar Knight and A. O. Smith boiler series. Built to industrial grade standards, the assembly is compatible with both