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Mend Worm Low Pressure

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We have 39 questions about mending 'worm low pressure'

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Mend Heating, Home Heating Systems

Glow Worm Swift Flow 1997 condensing boiler?

My Glow Worm Swift Flow condensing boiler when i turn the hot water tap on i get hot water but the pressure ga... [Read more]
Mend Heating, Home Heating Systems

pressure gauge falling?

the black needle on Glow-worm swift flow 80 combi boiler is low, but it also flickers when you turn on the hot... [Read more]
Mend Heating, Home Heating Systems

low pressure glow worm compact 80e?

I was losing pressure so checked radiators and found a leak. Sorted that but each time I top up the tank the l... [Read more]
Mend Heating, Home Heating Systems

glow worm 18sxi low pressure?

Hi, can anyone run me through how to fill my boiler back up. My partner turned on the heating while the rad wa... [Read more]
Mend Heating, Home Heating Systems

glow worm 30cxi?

having a f9 fault on my boiler with red light flashing system at 1.2 bar and have renewed low pressure sensor ... [Read more]
Mend Heating, Home Heating Systems

Glow worm Swift flow 100 How can I sort the pressure gauge ?

Hi The pressure gauge showed low pressure on the boiler. I have released the pressure with the with the... [Read more]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

Water Pressure Switch (Glow Worm SwiftFlow 100)?

Seems that the switch is ok (Air Pressure Switch is ok also) however im still getting a low pressure light at ... [Read more]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

Glow-worm flexicom24cx combination boiler?

My newly installed boiler is showing "fault 22" and the problem is low pressure. This is a new boiler and I re... [Read more]
Mend Heating, Home Heating Systems

Glow-Worm 24ci combi bolier - low pressure!?

Hi I have a Glow-Worm 24ci combi boiler, the pressure has fallen to 0.4 bar and is flashing, with the red faul... [Read more]
Mend Heating, Home Heating Systems

Glow worm 30ci, When heating is on the pressure goes up to 3 bar?

Glow-worm 30ci when the heating is on the pressure goes upto 3 bar, and then when its cold it goes back down ... [Read more]
Mend Heating, Home Heating Systems

How do I raise water pressure to make boiler work?

My Glow-worm 30ci boiler is flashing a low pressure warning (0.4bar) and not firing up. It should be 1bar. Thi... [Read more]
Mend Heating, Home Heating Systems

Glow worm Compact80e hot water failure?

Intermittent failure. Shower sometimes fails to deliver hot water. If tap turned on then delivers. Suggeste... [Read more]
Mend Heating, Home Heating Systems

Low Pressure in Glow Worm Swift Flow 80 Boiler?

My Glow Worm Swift Flow 80 is showing zero pressure on the dial. How do I re pressurise the system. I found a ... [Read more]
Mend Heating, Home Heating Systems

Pressure too low??

I have a Glow Worm Swift Flow 80 that keeps dropping the pressure down to about 0.5 to 0.7 PSi when the heatin... [Read more]
Mend Heating, Home Heating Systems

Glow worm Swiftflow 120 Low system pressure?

When heating goes off, system pressure drops to point where low pressure light starts to flash. When heating ... [Read more]
Mend Heating, Home Heating Systems

How can I turn the flashing red light off my Glow-worm Softlite combi boiler?

The red light has started to flash on my Glow-worm combi Softlite boiler. It seems to indicate that there is l... [Read more]
Mend Heating, Home Heating Systems

Low pressure in Glow Worm Combi?

The pressure in my 80e Glowworm keeps dropping to 0.2 - 0.3 bar after being pressurised. Engineers have been o... [Read more]
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