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Taco 220-6 Flo Check are used in forced hot water heating systems to prevent gravity
circulation during periods when the boiler is hot, but the space heating zone is not
wanted.
Taco Flo-Checks are also used in systems with multiple circulator zones to allow heat to
flow only into the zones that are calling for heat. In addition, the thumb screw can be
opened manually for gravity feed applications, if the main circulator stops operating.
Taco Flow Check 220-6 Cast Iron NPT, 1" for universal Heating Applications.
- Connection Type - Threaded (NPT)
- Size - 3/4 Inch
- Material - Cast Iron
- Max PSI - 125 PSI
- Install Position - Horizontal
- Max Temperature - 277°
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