Heater Shut Off Valve—fits 3/4 Heater Hose for 1962-1979 Nova | GM Classics
Amazon.com: Brass Hose Barb Ball Valve Kit-2pcs 5/8" Heater Hose Shut Off Valve with Stainless Steel Clamps-High Temperature Resistance Shut off PEX Ball Valve for Water, Oil, Gas, Fuel line Fittings :
Shuttle Bus Heater Shut-Off Valve, Shuttle Bus Heater Shut-off Valve, ACHV-LN-430P516-VALVE | Bus Parts Superstore
Brass Hose Barb Ball Valve Kit-1pcs 3/4'' Heater Hose Shut Off Valve with Stainless Steel Clamps-High Temperature Resistance Shut off PEX Ball Valve for Water, Oil, Gas, Fuel line Fittings - Yahoo
SharkBite U3088FLEX18BVLFA Flexible Water Heater Connector with Ball Valve, 3/4 inch x 3/4 inch FIP, Push-to-Connect Braided Stainless Steel, Water Heater Hose, SILVER - Walmart.com