Grant Vortex 21 - lukewarm water but hot central heating | Central Heating Forum | Plumbers Forums
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Discuss Grant Vortex 21 - lukewarm water but hot central heating in the Central Heating Forum area at Plumbers Forums

R

RKvega

Evening everyone,

We've been having some issues with hot water coming from our Grant Vortex 21 boiler (external, oil fired, no cylinder)

Water has been getting progressively colder over the past couple of months to the point where the little one struggles to have a bath. The hot water pressure is now so low that washing up is better done cold...

So far I've had a look in the thermostatic diverter valve (no blocks I can see), descaler used in the heat exchanger and drained and let the filler loop run for about 30 mins...no luck, if anything it's worse.

I'm stuck now, any ideas?

RK
 

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