I have a Polystel unvented hot tank (ancient, but working OK!) and I had to replace the immersion heater thermostat. To do this you have to remove the expansion tank and the tee that connects it to the cold feed.
Unfortunately I managed to damage the tee. I unsoldered the connectors and tried to remake it with a push-fit 15-15-15 tee, but the fitting to the expansion tank seeps. Probably because of the formerly-soldered pipe not being "flat" enough to seal on the o-ring (I cleaned it up as much as I could!).
So what I need is a new fitting to connect the expansion tank (seems to be 5/8" tap fitting to 15mm pipe) but it seems nobody makes them! (At least my local plumbing supplier things so).
The only 5/8" tap fittings I can find are designed for garden taps, so have a Hozelok-style fitting!
Any ideas?
Cheers, Howard
Unfortunately I managed to damage the tee. I unsoldered the connectors and tried to remake it with a push-fit 15-15-15 tee, but the fitting to the expansion tank seeps. Probably because of the formerly-soldered pipe not being "flat" enough to seal on the o-ring (I cleaned it up as much as I could!).
So what I need is a new fitting to connect the expansion tank (seems to be 5/8" tap fitting to 15mm pipe) but it seems nobody makes them! (At least my local plumbing supplier things so).
The only 5/8" tap fittings I can find are designed for garden taps, so have a Hozelok-style fitting!
Any ideas?
Cheers, Howard