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- Sioux Chief 652-AD or 657-FD piston-type closed-atmosphere vacuum breaker arrester shall be required where the piping system is subject to cavitation on the non-pressure side of a quick closing valve. Vacuum breaker arrester shall be effective when installed at any angle, and with no access panel required. Vacuum breaker arrester shall be sized and placed per manufacturer's instructions.
VacuRester™ Vaccum Breaker Arrester, 1 in Nominal, MNPT, 350 psig, 250 deg F, Copper Body, EPDM O-Ring, 15-1/8 in L x 2-1/8 in W, Domestic
- To prevent cavitation and accompanying water hammer within the extra-long tub spout tubes and/or shower risers of high flow fixtures, such as garden tub valves and multi-head shower valves
- Unlike atmospheric vacuum breaker devices that can leak or spit, the VacuRester's™ "closed atmosphere" chamber serves as a short duration vacuum breaker without the chance of leaks
- Recommended by Kohler® Company for their high flow tub valves such as their SOK™ series fixtures
- Installation for high flow tub valves with long spout tubes, install 652 AD VacuRester on spout tube, in between tub valve and spout, within one foot of the tub valve
- For high flow shower valves, install 652 AD VacuRester on shower riser, in between shower valve and shower head, within one foot of the shower valve
- For high flow lines with shut-off valve in the middle of pipe run, install VacuRester on non-pressure side, within one foot of shut-off valve
- Pipe sizes 1-1/4 in thru 3 in, install 657-FD
- 111 FDA approved silicone compound, dow-corning piston lubrication
- Type l copper
- Domestic / ImportDomesticEnd StyleMNPTNominal Size1 inPressure Rating350 psigBody MaterialCopperDimensions15-1/8 in L x 2-1/8 in WManufacturerSioux ChiefManufacturer #657-FDSoftgoods MaterialEPDM O-RingTemperature Rating250 degF