Pressure Relief Valve – 3/4″ Description Pressure Relief Valve - 3/4" 15 PSI for Heat assembly read more DarPro PN: 700692 MFS PN: 53-00109 Categories: Pipe & Hose, Valves Weight: 0.56 lbs Dimensions: 3.625 x 2.25 x 1.75in view all details Price $21.86 Quantity - + Total $21.86 Return/Exchange: 30 Days - + Add to cart Additional information Additional information Weight 0.56 lbs Dimensions 3.625 x 2.25 x 1.75in