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1/8 Straight wonder valve C ITEM N°: WON18SC Venting capacity equal to 15 ordinary air valves. Use on radiators farthest from boiler and in coldest rooms (for example, on third-floor radiators and above). |
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1/8 Straight wonder valve C ITEM N°: WON18SC Venting capacity equal to 15 ordinary air valves. Use on radiators farthest from boiler and in coldest rooms (for example, on third-floor radiators and above). |