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This genuine OEM Pressure Switch Nema 4 is engineered to monitor combustion air and flue gas pressures
3-inch frame construction is built for heavy-duty residential heating service
providing stable performance under varying thermal loads
or error codes on the diagnostic display related to sensor failure
the MTZ series with POE oil is typically required
Watts 0121344 Valve 326010-701 This genuine OEM Pressure SwitchThe Watts 0121344 (Series LF100XL 4 175) is a heavy duty 3 4 inch T&P relief valve designed specifically for hot water storage tanks and commercial water heater applications. Engineered with a lead free copper silicon alloy body, this valve provides critical automatic temperature and pressure protection for systems rated up to 105,000 BTU hr. The 100XL 4 model features an extended 4 inch thermostat with a specialized thermo bonded coating, ensuring
US$ 68.00
US$ 58.00
US$ 50.00