Description
Always verify the 16x12 dimensions and the 3-wire 24Vac control requirement before installation
20A SPDT Switching: High-amperage Form C contacts support a wide range of motor and lighting loads
ensuring accurate stem positioning and preventing the sluggish response common in worn pneumatic systems
allowing users to simply wash
Watts 0275404 Valve R-407A Always verify the 16x12 dimensionsThe Watts 0275404 is a high capacity boiler pressure relief valve from the Series 174A, engineered specifically for hot water heating and domestic supply systems. This 1 inch NPT threaded valve is designed to handle demanding commercial and industrial hydronic loads, featuring a discharge capacity of 3,215,000 BTU hr at a 125 PSI pressure relief setting. Built with a rugged bronze body and a stainless steel spring, it utilizes a non metallic, soft
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy

























