Hi Sandy, thanks for reply. I think I'm OK now with the Tool Station fittings which have the O ring, Washer and grab ring in the same order (as my picture). Bought a few and seem to fit OK.
There is nothing wrong with the existing fittings. I want the extra fittings to join to existing fittings. This is so I can flush through various pipes and drain at a further points. So its really to make adapters for flushing. I have actually now bought some fittings from Tool Station that...
My understanding is the original design is not compatible with a later version that used green grip rings. This has also been superceeded by an even later desing. So the type I am looking for is. I am using speedfit fittings where required but I want to connect to the existing fittings in some...
Hi, I'm reaching out to any plumbers or DIYers that have spares of the original Hep2o 10mm fittings that they would be prepared to sell me.
I installed heating using the Hep2o system some 29 years ago. It consists of 22mm pipes from the boiler reducing down to 15mm depending on zoning and...