How to mend ... Exactly Closed Boiler

resetting the pressure valve on a worcester greenstar?

I've got a Worcester Greenstar boiler. The pressure dropped to zero and when I try to refill it, the water ju... [Read more]

which way the value under the boiler open/closed?

hi i have an ideal responce boiler and i cant remember which way the value under the boiler, which you use to ... [Read more]

Ideal Classic combi NF80 by-pass solenoid coil?

Does anyone know where to buy the teknigas 25 solenoid coil Ideal No: 005820, GC 378078, or perhaps suggest an... [Read more]

Ideal Classic combi NF80 by-pass solenoid coil?

Does anyone know where to buy the teknigas 25 solenoid coil Ideal No: 005820, GC 378078, or perhaps suggest an... [Read more]

Glow worm 35 ci combi dripping ?

Hi i have recently replaced a broken bleed valve on a radiator which caused the pressure in the boiler to redu... [Read more]

To start a Worcester Bosch Greenstar 24i Junior?

Closed house with no heat on. Small deposit of ice 1 tablespoon full. on unit top below right hand side of bo... [Read more]

Ferroli optimax he 38 c filling kit connections?

I topped up the water on my boiler, but think I have moved one or more of the other 3 "taps" that make up the ... [Read more]

Vaillant VCW242E Overheating and Uncontrollable?

I have a Vaillant VCW242 E Combi Boiler. Following a freeze up of the Boiler, I can no longer control the t... [Read more]

Vaillant VCW GB 242e pressure low?

Can anyone point me to the valve which I open to replenish the closed circuit please? I'm assuming this boiler... [Read more]

Green light going on and off?

Model Greenstar 30CDi Boiler won't come on and stay on in the morning. Engineers thought it was an air blocka... [Read more]

2 rads wont heat, i have diagnosed everything i can think of?

i have 2 radiators that wont heat at all, they are the 2 furthest from the boiler, both with relatively new tr... [Read more]

Betacom 24c boiler pressure too high?

Boiler pressure is indicating 3 Bar. I have taken out about 2+ gallons of water from a drain valve on the near... [Read more]

GlowWorm Ultracom 30cxi boiler high pressure ?

I have a GlowWorm Ultracom 30cxi boiler, fitted 2 years ago. Recently had a problem whereby the pressure bar ... [Read more]

firebird heatpac 70-90 oil boiler leak?

There is water flowing out of overflow safety valve in boiler it also has a pressure gauge on it.Could this ju... [Read more]

Worcester 28i RSF Boiler?

Woke up this morning with no hot water or heating. The boiler says the pressure is 0. We had no problems the ... [Read more]

Has anybody come across same problem with a halstead ace high?

Halstead ace high boiler has just had its fan replaced, but when new fan installed boiler will not ignite unle... [Read more]

low boiler pressure?

My closed loop home heating boiler has dropped in pressure from running efficiently at 18 lbs. to about 10. Wh... [Read more]

I have a potterton Netaheat 10/16 heating only working up stairs?

I have a potterton Netaheat 10/16 it fires up but i am only getting heat in upstairs rads and not down stairs,... [Read more]

loss of pressure in brittany combi 80?

I keep losing pressure in my combi boiler, i recharged the system and when i put the heating on it seems to sl... [Read more]

low pressure on my vaillant VCW 242EH?

my boiler was bequeathed to me by the previous owners, but they didn't leave me a manual! can anyone tell me t... [Read more]