Hi all,
Not sure if I'm posting in the right place but i have a problem with a new house with 2 hot water cylinders. It is a gravity fed oil fired system and the boiler, heating and one of the cylinders is fine, however the second newer(ish) cylinder installed when the previous owner extended the house is not heating up. I changed the thermostat which looked pretty old and didnt seem to be clicking at temperature properly but still no joy (although the new one does click properly as you change the target temperature.)
I think how the system seems to work is that the first tank calls for hot water and has a 3 way valve? (A,B,AB) that once the first tank calls for water allows the second tank to divert heating water to itself with the second thermostat. However I am a DIY guy and really have no idea what i am talking about so may have deduced this completely wrong.
Any ideas how a double tank system should work and what could be wrong with mine? I should add that it has worked fine for 18 months and I haven't touched anything before it went on the blink. In saying that i do remember we had Luke warm water in the second tank when i first moved in and i fiddles with the thermostats and eventually they worked fine but that was 18 months ago.
Thanks in advance!
Not sure if I'm posting in the right place but i have a problem with a new house with 2 hot water cylinders. It is a gravity fed oil fired system and the boiler, heating and one of the cylinders is fine, however the second newer(ish) cylinder installed when the previous owner extended the house is not heating up. I changed the thermostat which looked pretty old and didnt seem to be clicking at temperature properly but still no joy (although the new one does click properly as you change the target temperature.)
I think how the system seems to work is that the first tank calls for hot water and has a 3 way valve? (A,B,AB) that once the first tank calls for water allows the second tank to divert heating water to itself with the second thermostat. However I am a DIY guy and really have no idea what i am talking about so may have deduced this completely wrong.
Any ideas how a double tank system should work and what could be wrong with mine? I should add that it has worked fine for 18 months and I haven't touched anything before it went on the blink. In saying that i do remember we had Luke warm water in the second tank when i first moved in and i fiddles with the thermostats and eventually they worked fine but that was 18 months ago.
Thanks in advance!