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asked 1 week ago by Paul K
updated 1 week ago by Paul K
My electric bill is too high and I am trying to save money
Admin 12/08/2026 10:11
For a typical domestic hot-water cylinder, the thermostat should generally be set to around 60°C. This is a good balance between having sufficiently hot water (more)
asked 2 weeks ago by Admin
updated 2 weeks ago by Admin
I was told the tpr might be dripping, what is this?
Admin 06/08/2026 15:00
A TPR valve (Temperature and Pressure Relief valve) is the final safety device fitted to an unvented hot water cylinder. Its purpose is to prevent (more)
asked 2 weeks ago by Claire
updated 2 weeks ago by Claire
Admin 03/08/2026 16:14
A tundish is a small safety device fitted to the discharge pipe of an unvented hot water cylinder. It is usually made from clear plastic (more)
asked 3 weeks ago by MP
updated 3 weeks ago by MP
I have been told I need a thermal store, but its really expensive compared to other cylinders
Admin 01/08/2026 17:57
Although they look similar, a thermal store and an unvented hot water cylinder work in very different ways. An unvented cylinder stores the hot water (more)
asked 3 weeks ago by Olivia
updated 3 weeks ago by Olivia
My electric bill is really high, my friend says that leaving the immersion heater on all the time saves money as the cylinder doesn't have to keep reheating from cold. Is this true?
Admin 01/08/2026 14:31
In most cases, no. Leaving an immersion heater on all the time is usually more expensive than heating the water only when you need it. (more)
asked 3 weeks ago by Eve
updated 3 weeks ago by Eve
unvented water heater is only producing tepid water and the boost lights won't turn on. Require a provider in South West/ Somerset to fix it! Any contacts?
Admin 31/07/2026 15:26
If the boost lights won’t come on at all, I’d start by checking the electrical supply before assuming it’s a cylinder fault. It could be (more)
asked 3 weeks ago by Anonymous
updated 3 weeks ago by Anonymous
asked 3 weeks ago by Nikki
updated 3 weeks ago by Nikki
I can hear the cylinder heating when the immersion heater is turned on, but the water isnt hot, even if it has been on for a couple of hours
asked 10 months ago by Sue
updated 10 months ago by Sue
Plumber Mike 04/11/2025 21:36
Could the open pipe be the tundish? Is it the black plastic funnel? The cylinder might be over due a service. Or it could be (more)
asked 10 months ago by Cath
updated 10 months ago by Cath
We have a tempest water cylinder and are having problems with the hot water. We have to keep topping up the pressure and get hot water for a couple of days then it goes again. Central heating fine and oil fired boiler ok.
Admin 04/11/2025 21:33
HI Cath You do not mention whether you have a problem with the pressure of the hot water or the system losing pressure. It should (more)
