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Your cart is empty.The No. 66 Auto-Vents are float-operated vents for use on convector radiators, baseboard radiation and radiant panels. These are designed to be used in space that is limited and can be installed in trouble spots previously neglected or improperly vented. No air chamber is required. The No. 66 Auto-Vents are designed for systems with pressures up to 50 lbs. No. 66 and 67 Auto-Vents can be used with the No. 9AS Shortstop Automatic Shut-off. For safe waste use the No. 7A Connector.
Todd
Reviewed in the United States on November 4, 2024
These do indeed work to keep air bubbles out of your hot water baseboard radiators. However, after 1-2 heating seasons they get gummed up with crud and start weeping water continuously which makes a mess on the floor.
WILLIAM S.
Reviewed in the United States on April 13, 2024
It does the job. 100% American product
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