Watts 0342691 Relief Valve This 90-degree angle mount siphon

This 90-degree angle mount siphon is constructed from heavy-gauge seamless brass tubing to provide a reliable thermal barrier between the live steam and sensitive instrumentation

This HVAC service valve is engineered for high-pressure R-410A applications

As a direct replacement for OEM part 2D-70095

features a 3/8-inch outer diameter (OD) rod construction to ensure structural rigidity under hydraulic pressure

The manual reset feature is essential for diagnostic purposes

Watts 0342691 Relief Valve This 90-degree angle mount siphonThe Watts 0342691 (Model 335M2) is a high capacity boiler pressure relief valve engineered for hydronic heating systems and low pressure steam applications. Featuring a 3 4" female NPT inlet and 3 4" female NPT outlet, this ASME Section IV rated safety valve is factory set to 30 PSI, providing critical overpressure protection for residential and light commercial boilers. With a steam discharge capacity of 510,000 BTU hr, it serves as the direct