Discuss combi boiler pressure bouncing only when hot water is being used in the USA Plumbers Advice area at PlumbersForums.net
Hi, that's a lot of boilers , sorry Its a Worcester Bosch 28CDI , I just assumed that all combi boilers worked in a similar way i.e. diverted the water off into another H/E.Is it an Alpha, Ariston, Baxi, Chaffateaux, Ferroli, Halstead, Ideal, Keston, Main, Morco, Navien, Potterton, Ravenheat, Vaillant or Worcester Combi boiler, or one I’ve not mentioned? Perhaps a model number would be wise too.
Hi , yesDoes the pressure stabilise if you turn the tap off?
Hi, thanks for coming back , hot water coming out the tap is 40 degree C, I think its been hotter , no other issues , no hot water going to the radiators when hot water is on ,How's the hot water performance? Sounds like a blocked Plate HEX and kettling to me....
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