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Vacuum breaker compatible with a Honeywell trv thermostatic radiator valve?

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DPronto
DPronto Member Posts: 7
in Plumbing
Hi Heating Help,

Sorry, for the repost. My last one got derailed and I wanted to follow up. The vacuum breaker needs to go between the valve/vent (I've seen it called both, right or wrong) and the radiator. Which brings us back to the title, does anybody know which vacuum breaker we should get with a honeywell V2042HSL10 One-Pipe Steam Radiator Valve and what supplier might stock them.

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  • Jamie Hall
    Jamie Hall Member Posts: 23,286
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    There wouldn't be a specific unit. What you need to look for is a vacuum breaker with a very low cracking pressure which has the ability to take a nipple or something of the sort on one side, to screw into the radiator, and a nipple or something of the sort on the other side to screw into the radiator vent. You may find you have to use several reducers or bushings or nipples...
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
    mike jones

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