while the 4-inch W

provided the voltage and amperage specs match

Industrial Build Quality: High-grade disc construction ensures long-term high-limit switch reliability in high-cycle environments

The 35-673902-561 model features integrated diagnostic LED indicators for rapid field troubleshooting

Hard-Duty Construction: Features a bellows element and double sealing to prevent refrigerant-to-water cross-contamination even if internal damage occurs

Lochinvar & A.O. Smith 100110739 Valve 326010-701 while the 4-inch WThe Lochinvar & A. O. Smith 100110739 is an OEM spec 1 inch T&P relief valve engineered for high output commercial and residential water heating systems. Designed to trigger at a 150 PSI pressure setting or a thermal limit of 210F, this valve provides critical over pressure and over temperature protection to prevent catastrophic tank failure. It features a 1" MNPT inlet and 1" FNPT outlet, ensuring a high capacity discharge flow rated at 500,000 BTU