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

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