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Taco 255-2 flanges not compatible with 0015E circulators?
Picked up some sets of 255 flanges (supposedly compatible with all 00 series circulators) but I don't see how they will work? Taco wants their o'rings used with the 0015E, but they do not provide any viable seal when used with the 255-2 flanges? same for the flat washers that are supplied with the 255-2 flanges. They do not mate with any flat surface areas to provide what appears to be a decent seal? Are the 0015E circulators different from the earlier legacy 00 series?