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We have 267 questions about mending 'running hot pressure'

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Mend Heating, Home Heating Systems

Ferrpli F30 over pressure?

My Ferroli F30 works well except when the heating is on the pressure in the system goes over 3.5 bar and the P... [Read more]
Mend Heating, Home Heating Systems

Sime super 90 overtemp trip?

My boiler is working fine for the CH side of things. When I run hot water the overtemperture trip goes after a... [Read more]
Mend Heating, Home Heating Systems

how can i fix my ideal esprit boiler he 30?

the problem is i have heating ,cold running water but no hot running water,no water is coming out the hot tap... [Read more]
Mend Heating, Home Heating Systems

air lock in boilermate?

i arrived at a drained boilermate to be told the pump on hot water is running hot,refilled sytem but can get n... [Read more]
Mend Heating, Home Heating Systems

how can i fix my ferroli hawk boiler combi?

The hot water supply works sometimes and not others, when it is running temperature of water varies. Fan seems... [Read more]
Mend Bathroom Appliances, Baths and Showers

how do i increase my bath hotwater pressure?

since having my back boiler replaced with a vailent combi boiler the hot running water pressure seems to have ... [Read more]
Mend Heating, Home Heating Systems

vaillant vcw gb 242 eh boiler?

Can you please advise fault on dhw when hot water tap is opened boiler ignites runs for 10 secs then cuts out ... [Read more]
Mend Heating, Home Heating Systems

Combi boiler pressure/hot water?

I have a combi boiler. The CH is ok but my hot water system for running water does not stay on. It runs ok for... [Read more]
Mend Bathroom Appliances, Baths and Showers

Shower pump keeps running when taps are turned off?

My friends have a pump to boost the pressure to both hot and cold feeds to their bath and shower. The union on... [Read more]
Mend Heating, Home Heating Systems

no hot water coming out of our shower we have a combi boiler 24cdi ?

hi we are having either trouble with our shower or the bolier . we can only get hot water through the shower w... [Read more]
Mend Heating, Home Heating Systems

No water in hot water tank?

Hi there, I have a problem... lol I'm afraid I'm going to err on the side of giving too much information... [Read more]
Mend Heating, Home Heating Systems

Boiler overheating - Worcester 280 RSF?

Problem started a couple of months ago. When hot water was run the pilot did not always light. Had to turn t... [Read more]
Mend Heating, Home Heating Systems

My Baxi 80 ECO Combi boiler will not reset?

Following the manufacturers fault finding manual everything pointed to the PCB being at fault, this has been r... [Read more]
Mend Heating, Home Heating Systems

Ravenheat 85 CSI Cutting out cycle on Heating only?

Hot water is OK Heating... it will click, pump starts, fan starts, gas is released at the higher pressure and... [Read more]
Mend Heating, Home Heating Systems

How can i fix my worcester 24 i combi boiler?

I had my central heating on and at the same time started running a bath when the water suddenly started runnin... [Read more]
Mend Heating, Home Heating Systems

halstead finest gold locking out?

finest gold locking out,i have to switch off/on power 4-5 times to get it running, pressure is at 1.7 bar on g... [Read more]
Mend Heating, Home Heating Systems

vokera option boiler fan running cotinuously ?

vokera option fan running contiuously even when pressure switch disconnected. running when no demand for heat ... [Read more]
Mend Heating, Home Heating Systems

Vokera 20-80 R.S. Flowmatic - Looses pressure and dripping water?

Hi We have a Vokera 20-80 R.S. Flowmatic combi boiler and for quite a while now (easily over a year) the pres... [Read more]
Mend Heating, Home Heating Systems

Hot water not heating up enough on Hawk 2 boiler?

I have a Hawk 2 boiler. When I turn on the hot water, the boiler fires up immediately and keeps running but th... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch 24CDi, switches off during HWD?

I have a 24CDi boiler, which lately has been switching off when hot water is demanded. It switches off and bac... [Read more]
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