Watts 740-2-40 Pressure Relief Valve 2" X 2-1/2", 40 PSI, 6440M BTU, F384240 0384240 UPC Code: 09826858788

The Watts 740-2-40 Pressure Relief Valve 2" X 2-1/2" is a control component used to balance the surplus pressure in hydronic circuits in HVAC systems. It has, 6,440 BTU F384240 0384240 UPC Code: 09826858788 is automatic and opens when system pressure is greater than 40 PSI to allow controlled discharge to prevent overpressure of piping and internal parts. It is applied in boilers, water heaters, and central plant equipment where pressure control is required during heating and cooling processes. The relief valve is included in the safety section to ensure the constant operating pressure.