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Flo-Checks are used in order to avoid gravity circulation when a boiler is heated. It automatically opens as soon as the circulator pumps start working. Nations WareHouse offers a wide variety of Flo Checks for your heating system.
The 221-6 from Taco is a 1-1/4” Threaded Cast Iron Flo Check Valve. It's designed for use in hot wat..
$ 75.95
The 241-4 from Taco is a 1” Sweat Bronze Flo Check Valve. It's designed for use in hot water heating..
$ 74.95
The 220-6 from Taco is a 1” Threaded Cast Iron Flo Check Valve. It's designed for use in hot water h..
$ 49.95
The 219-4 from Taco is a 3/4” Sweat Bronze Flo Check Valve. It's designed for use in hot water heati..
$ 54.95
The 218-3 from Taco is a 3/4” Threaded Cast Iron Flo Check Valve. It's designed for use in hot water..
$ 46.95
