Watts Temperature and Pressure Relief Valve, 105,000 BtuH, 150 psi, 4 in Thermostat Length – 3/4 LF 100XL-4
T&P Valves, Max. temp.: 210F,Provide automatic temperature and pressure protection for hot water heaters and supply tanks. Test lever allows pressure checks during operation.,ASME rated, CSA Certified, and meet ANSI Z21.22 standard.,Extended Shank,Use with water heaters containing thick insulation.