Precise OEM Fit: Rated specifically for 5" diameter housings

providing integrated high fire ignition and low-fire start capabilities essential for consistent burner performance

A functional Norton 271N replacement ignitor typically reads between 80 and 150 ohms at room temperature

reducing sensor drift over time

Conbraco 10-616-20 Valve THPU32HP7Y Precise OEM Fit: Rated specificallyThe Conbraco 10 616 20 is a heavy duty high capacity pressure relief valve engineered specifically for high output hot water heating boilers and large scale hydronic systems. This 10 series relief valve features a 1 1 4" FNPT inlet and a 1 1 2" FNPT outlet, providing the necessary flow area to prevent over pressurization in commercial installations. Factory set at 100 PSI, this valve is rated for a massive 7,101,000 BTU hr capacity, ensuring it meets