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The 881-3/4-15 uses a small vent hole in the top of the bucket to provide continuous automatic venting of air and non-condensable gases
Optimized Specifications: Functions at 208/230V with a 1/15 HP rating
Key Benefits High-Flow Efficiency: Supports up to 1
this OEM York replacement part delivers consistent performance in demanding environments
Watts 0274596 Valve R-22 The 881-3/4-15 uses a smallThe Watts 0274596 is a 3 4 inch Model 174A 70 ASME rated pressure relief valve designed specifically for protection against excessive pressure in water heating and storage applications. Engineered for closed loop systems, this hot water boiler relief valve features a high capacity BTU hr rating to ensure rapid pressure discharge when system limits are exceeded. The valve is factory set at 70 PSI, providing a reliable safety threshold for high pressure