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or override buttons
You typically only need to remove the fan blade and any existing debris before positioning the new shield
Engineered for compatibility with designated Indeeco equipment
Always verify the furnace troubleshooting guide specific to your air handler model
to utilize the Low Water Cut-Off (LWCO) functionality
Watts 0278328 Valve 320788-704 or override buttonsThe Watts 0278328 (Model 174A 2 50) is a high capacity ASME Section IV certified boiler pressure relief valve designed for commercial hot water space heating and domestic supply applications. Featuring a 2 inch NPT female threaded inlet and outlet, this bronze body safety valve provides critical overpressure protection for large scale boiler systems. It is factory set at 50 PSI, delivering a verified steam discharge capacity of 5,575,000 BTU hr. Its
US$ 22.95
US$ 69.00
US$ 52.50