Seller notes

Location box 32This is a new old stock aftermarket hot water heater shut-off valve. This N.O.R.S. valve screws into the cylinder head and controls hot coolant flow into the hot water heater. To close this type valve you first loosen the packing nut and then tighten the hex plug bolt until tight, then snug up the packing nut to seal the threads of the plug bolt. To open this type valve first loosen the packing nut, then turn the hex plug bolt out. Finally, snug up the packing nut to seal the thre...

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