TCO Temp problem
My friend has a gainsborough 1000X shower, it has been working fine up till a year back, now when she takes a shower she notices the water temperature changing a lot.
I tried it on cold and the water was going from cold to hot. it seems there is some problem with temperature control. my thinking was the TCO might be faulty. i tested it with a tester and it worked fine.
I know most are built with wax inside if they get too hot they melt and shut off the heater. is there anything else you can think of. the water also gets very hot and with no control it is dangerous.
The things to check first are.
1 That the main valve coming into your house is fully open.
2 Then check that the valve on the line to the shower is fully open.
If these valves are not fully open then there may not be enough water
getting to your shower to cool it properly the overheat safety device will turn
the power off until it cools Then it all starts again
Make sure that the shower head is clean and clear, that the hose isn’t kinked (this can happen just behind the hand set where it is difficult to see) also check the inside of the hose although it can look OK on the outside it could have collapsed internally
The other possibility is a faulty flow/stabilizer valve not allowing the correct amount of water into the shower.
A ruff check is to remove the shower head turn temperature control to fully hot the water coming out of the hose should be a bit more than a dribble then turn to fully cold and it should be coming out at full flow.
If there is not much difference between the two then you could have a faulty flow valve.
Carry out this check after you check the inlet valves.
Answered 12 years ago by The Shower Doctor
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