High-Visibility Identification: Industry-standard yellow spring coating ensures rapid identification of the set pressure range

This genuine OEM single pole single throw (SPST) temperature control is engineered to safeguard gas-fired furnaces

its L160-30F rating ensures the burner cuts out at peak temp and resumes operation once the plenum has cooled

provided it is installed in a vertical orientation

Durable Material Composition: Constructed to resist thermal fatigue and corrosion common in high-moisture combustion environments

Watts 0342682 Relief Valve High-Visibility Identification: Industry-standard yellow springThe Watts 0342682 Relief Valve (Series 330 30) is a contractor grade pressure safety component engineered for residential and commercial hydronic heating systems. Featuring a 3 4 inch MxF (Male NPT x Female NPT) connection, this valve is fixed at a 30 PSI set point to protect low pressure hot water boilers from over pressurization. It is rated for a discharge capacity of 375,000 BTU hr, making it a standard choice for most mid sized boiler