How to mend ... System Pressure Hot

How can i fix my Glow Worm 20 - 30F?

The boiler only starts the fan and fires up if i blow into the Air Pressure Switch. The Mid Position Valve and... [Read more]

How can I fix my powermax 155 boiler?

we have hot water but no heating the pressure was too high so we ran all the water until the pressure dial dro... [Read more]

My Alpha CB24X has lost pressure what shall i do?

My gas combination boiler has just stopped working. First the hot water stopped and the hot taps ran cold. Th... [Read more]

RAVENHEAT LS80 in consistent DHW + pressure probs?

I have a ravenheat LS80T and when i don't use the Heating the pressure stays perfect but when I use the heatin... [Read more]

Heating system not working properly after rad removal?

Hi all. Had a new heating system with Potterton Performa 24 boiler fitted as part of refurb. Everything worked... [Read more]

Pump or low pressure fault on a baxi combi 105 HE?

I am getting no hot water from my boiler it is showing a flasing LED for pump or low pressure fault. System p... [Read more]

Strange Goings On with Boiler:Pressure Surging to 3+ when Hot Water Goes On?

Strange Goings On with Boiler: Pressure Surging when Hot Water Goes On I bled my radiators a few days ago... [Read more]

Boiler Shut Down?

I had an Ariston Combi Boiler fitted a while ago (2/3 Months).The Bungalow is up for sale so the system at the... [Read more]

correct water pressure in a vaillant turbotec central heating gas boiler?

i have a vaillant gas central heating system with 10 radiators and i was wondering what would be the correct p... [Read more]

Boiler won't ignite?

Hi I have a Worcester 24i RSF (combi natural gas) boiler, I stopped working the other day, it fails to ignite.... [Read more]

Vokera Compact Combi Boiler?

I keep having to top up the water in my system as the pressure drops cutting off the boiler. I have found that... [Read more]

System Pressure keeps building in worcester bosch 28cdi?

The system pressure keeps going above 4 bar until I release water through valve in radiator, with hot water of... [Read more]

changing sink with unvented HW System?

I want to change a sink. Old sink was not replaced at the time of installation of unvented hot water system. ... [Read more]

Spring pressure valve on an open vented system?

I have an open vented system with Baxi bermuda inset 2 back boiler (10 years old), indirect water cylinder (gr... [Read more]

Pressure loss in pressurized heating system?

I have a gas boiler which feeds a pressurized heating system and pressurized hot water tank with no header tan... [Read more]

Worcester Bosch Oil Heatslave 20/25 two years old?

Can not get the central heating to work; the water pump does not seem to be running. Hot water fine. Had a lon... [Read more]

Fault on Pump/Low Pressure - Potterton Performa 30 HE?

Our heating system (Potteron Performa 30 HE) is giving a fault saying 'fault on pump low pressure', which basi... [Read more]

why have i got high water pressure showing on gauge?

I have a Vaillant turbomax vuw242e Can anyone tell me why the pressure gauge rises up to 4 bar whenever the ... [Read more]

my biasi 28s boiler no hot water?

i have no hot water 3 out of 6 radiators get hot i have bled the air out and flashed system out replace valves... [Read more]

ongoing problems with ferroli optimax he 31c boiler?

I was getting code f40 , pressure was at 3+ , so i drained system, pressure was at 2, now i am getting code fh... [Read more]