Amazon.com: LetCart Pressure Relief Valve,1/2" 0.8mpa Male x Female Thread BSP Brass Electric Water Heater Safety Pressure Relief Valve : Tools & Home Improvement
1 174A WATER RELIEF VALVE SET AT 100 PSI
Pressure Relief Valve - Quick USA
Utilitech Water Heater Pressure Relief Valve in the Water Heater Parts department at Lowes.com