0
votes
0answers
28 views

What do I do if my expansion tank doesn't have a drain valve?

What do I do if my boiler expansion tank doesn't have a drain valve? It just has a cap on what I believe is the drain pipe.
0
votes
0answers
77 views

What is wrong with my boiler?

The boiler flashes 50 and just makes a clanking noise then fires up and clunks off. I think the flashing 50 means thermostat lock out. I've had loads of problems with it since moving in, mainly ...
1
vote
2answers
257 views

Sizing DHW expansion tank for tankless heater

I have a combined boiler for hydronic heating and DHW. Earlier in the winter, I started insulating as much of the pipes I can easily access. This has led to hot water coming out of the cold water ...
1
vote
1answer
64 views

Gledhill 450 Torrent RE

What is the top pipe connected to my Gledhill Torrent 450 RE thermal store? It comes out of the very top of the tank. Not on the side but right on the top in the centre?
2
votes
1answer
1k views

Should I use thread-seal tape for steam pipe?

I am getting ready to replace the pressuretrol of my oil-burning steam boiler, which provides heat and hot water. Should I use thread-seal tape (aka. Teflon tape, PTFE tape, tape dope, or plumber's ...