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Mend Vaillant geyser Water Heater Gas Hot

low water temp on valliant geyser ?

we have a Valliant Geyser water heater and the water temperature is low even when the flame and water temp knobs are at maximum, it fires up ok but the gas flame is low compared with our other one (same make) ie it doesn´t roar when you call for really hot water, any ideas out there??

Tony R.
January 2009
VaillantVaillant geyserHeating, Home Heating SystemsWater Heater Gas Hot Water
I will be pleased to get a solution to this problem - as I have checked the water pressure at the inlet which is fine but only low pressure at the outlet - which I suspect is a faulty valve ? but need confirmation of this !!

Allen SHepherd
February 2009

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Vaillant Geyser Low Temperature - Fixes & Help