Only getting warm water thru taps
Submitted: Sunday, Aug 21, 2016 at 19:46
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ozwildlifecarer
We have an SW6DEA hot water system which for the last 2+ years has delivered lovely hot water thru our taps. Just recently though the water is warm only. It's the same on 240 and gas.
The strange thing is when we
check the temp of the water in the tank via the release valve it pretty hot.
We haven't touched or changed anything so can't figure it out. Is there maybe a valve that allowing cold water to mix with the hot that needs replacing?
Appreciate advise
Boris and linda
Reply By: Brad R2 - Tuesday, Aug 23, 2016 at 11:43
Tuesday, Aug 23, 2016 at 11:43
As Tom mentioned clean the filters on the inlet side, as your sacrificial anode corrodes away you can get stuff caught by the filters that block the flow of hot water to the tempering valve, ie. Less hot getting through with the same quantity of cold so the hot water ends up cooler. Second
check the tempering valve, under the plastic cover they usually have an adjustment to vary the temperature of the hot allowed through the valve, if it's moved it can be returned to full hot by adjusting, just google the model number and brand of the valve for an instruction sheet. Whilst you doing all that it might pay to change the anode as they can decay fairly fast, our latest has only lasted 9 months in our suburban.
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Follow Up By: TomH - Tuesday, Aug 23, 2016 at 17:47
Tuesday, Aug 23, 2016 at 17:47
That model valve gets hotter if you turn it anti clockwise It is 5 turns from full cold to fully hot. the centre of it winds out to give more hot water. I pulled my old one to bits to find out how it worked It needs a small tool with a triangle cutout to fit the piece on the head of it. Its an RMC Heatguard.
RMC instructions
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