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Buderus Panel Radiator bleed key?

TAG
TAG Member Posts: 792
in THE MAIN WALL
Anybody know the proper "key" size needed ?

A leaking manifold took out my hot water heating system (Panels/ Radiant) .. other than pump replacements the heat side has never been opened up since I installed in back in 1993. Got it back together but had to get it going w/ power flushing (boiler hot)

Couple of the third floor panels are only partially hot. For whatever reason some of the bleed valves have a slit for a screwdriver and some don't. Murphys law here ... need to bleed those that .... don't.

Buderus must not supply the key w/ the unit or I would have a few dozen of them around.

Comments

  • kcopp
    kcopp Member Posts: 4,560
    You can get a key that does that. https://www.supplyhouse.com/Apollo-Valves-H240400-Radiator-Bleeding-Key
    The US ones are a bit wimpy.
    The ones from the UK are much better.

  • TAG
    TAG Member Posts: 792
    kcopp --- Thanks --- Did see that one and I always need something from SH. It's backordered :(

    Tried a small needle nose plier on one of the bigger units --- it worked but the plastic ring cracked. Not really a good fix -- not much air came out either?

    Turning the Danfoss heads up on all the units has the floor in the 70's ....the bypass valve on the units are all hot -- so I know the loops are working. With the temps going down into the teens I had to get the system back up and running. Both for heat and fear of any of the PEX freezing.
  • Big Ed_4
    Big Ed_4 Member Posts: 3,211
    I seen the bleeder keys sold at Home Depot

    There was an error rendering this rich post.

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