How to mend ... Glow System Hot

No Hot water first thing in a morning?

Hi, I have a Glow-worm Swiftflow 80. We have had one of the valuves changed as water was coming out of pipe o... [Read more]

Glow Worm Compact 80 P - pilot light trips off?

Initially, relay constantly clicking in and out, boiler flaming up and down; then pilot tripped out and once r... [Read more]

Glow-worm 30HXI F5 fault code - cannot restart boiler?

I've had a plumber out today to fit new rads. Previously have had no probs with boiler. Now, loads of air bubb... [Read more]

glow worm 30cxi boiler fault?

i have a glow worm 30cxi boiler, today i drained the system to renew a radiator, i refilled the system and ven... [Read more]

Glow worm 30ci - shutdown at 18C - 0.5 bar error code, and leak on top up?

The system ran at 20C degrees for a long time, with power down over night for about 7 hours on clock. Went a... [Read more]

Glow Worm Compact 75p pressure build up?

When i turn on my central heating after about 15/20 mins when the system and radiators are hot the pressure ga... [Read more]

We get hot water when we turn on the heating but not otherwise?

If we turn on the external heating thermostat, the central heating system works (boiler fires and radiators co... [Read more]

Glow worm 100e won't fire up now, fan? Are you about Hi-Tech Plumbing?

Hello Hi-Tech Plumbing, or anybody who has a suggestion please. I have just replaced the diaphrams on my GW 1... [Read more]

Low pressure warning light on Glow Worm Compact 100e?

Hello, I had a problem 2 years ago with my Glow worm Compact 100e, which would not switch from heating to hot ... [Read more]

no hot water or c/h?

my boiler wont fire up to heat water or c/h, the pilot light is ok, the thermostat is turned up, the programme... [Read more]

glow worm capricorn 240/6 doesn't cut in?

The elderly system above is due to be replaced, but has suddenly stopped producing any heat. Any suggestions?... [Read more]

glow worm 24cxi F9 fault?

I have replaced the Diverter Valve,Diverter Motor,the System Pressure Sensor and the Water Flow Censor,I am st... [Read more]

how do i wire in line valves for glow worm boilers?

i need to wire two danfoss in line motorised valves (one for heating and one for hot water) off my glow worm 3... [Read more]

Glow worm 30cxi low pressure not able to repressurise?

Low pressure light and 0.3bar. Unable to re pressurise. System not as hot as normal last night so bled some of... [Read more]

I have no hot water or heating?

I have no hot water or heat going to my radiators from my boiler. It is a Swiftflow Glow-worm system. The po... [Read more]

whats wrong?

I have a glow-worm 80 my heating system is working fine but my hot water has no pressure and is not very hot

Problem with my Glow-Worm Fuelsaver MKII?

Hello, I really hope someone can help. I have an Glow-worm Fuelsaver MKII installed in a 30 year old prope... [Read more]

I think I have air in my rads?

I have a glow worn ultimate... It is not a combi it is the older type will a tank in a cuboard were it stores ... [Read more]

upstairs radiators cold downstairs hot?

i have a glow worm compact central heating system just recently the radiators on the first floor of my home do... [Read more]

Hot water OK, central heating not, one radiator warm?

My system (Glow Worm Fuelsaver F boiler) is working fine for hot water, but the central heating won't come on.... [Read more]