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Mend Powermax 155 X

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We have 36 questions about mending 'powermax 155 x'

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Mend Heating, Home Heating Systems

Powermax 155 mixer valve design?

I have a Powermax 155 boiler. It has a mixer valve supplying DHW. Mine allows hot water to descend into the co... [Read more]
Mend Heating, Home Heating Systems

powermax 155 ?

My powermax 155 keeps blowing the 3amp fuse on the wall, any ideas?
Mend Heating, Home Heating Systems

powermax 155 ?

when i turn on the hot tap ther is no hot water it runs slow to a stop
Mend Heating, Home Heating Systems

how do i replace an automatic air release valve on my powermax?

the boiler is a powermax 155 sealed system (FFS 155 CP) The auto air vent is weeping. I have purchase a new on... [Read more]
Mend Heating, Home Heating Systems

Noise from flue?

I have a PowerMax 155 boiler and each time the burners kick in there is a noise coming out the flue like a fog... [Read more]
Mend D.I.Y, Plumbing

replace thermostatic valve in powermax155?

how do i replace a thermostatic mixer valve in a powermax 155 boiler
Mend Heating, Home Heating Systems

range Powermax 155 boiler?

Would anyone be able to send me a copy of the manufacturers instructions for Powermax 155 think it was made by... [Read more]
Mend Heating, Home Heating Systems

Why does the central heating come on when I select hot water only function ?

When I put on the hot water only it kick starts the central heating as well, I have a powermax 155 boiler
Mend Heating, Home Heating Systems

Powermax 155, the hot water cuts off if I turn it on too quickly. ?

I have a Powermax 155 which is about 7 years old. When I turn the shower or a hot tap on full there is a loud... [Read more]
Mend Heating, Home Heating Systems

How can I stop a Range Powermax 155 high pitch whistle?

How can I stop a Range Powermax 155 high pitch whistle? it lights up ok then after 5 mins it starts, cutting t... [Read more]
Mend Heating, Home Heating Systems

POWERMAX 155 - Will not heat water & radiators simultaneously ?

Hi all. I was hoping that someone could help? My Powermax 155 will not heat the water to the showers or taps, ... [Read more]
Mend Heating, Home Heating Systems

need help with my powermax boiler?

i have a powermax 155 boiler. ive just replaced the flow relay switch as this was leaking. ive put the new one... [Read more]
Mend Heating, Home Heating Systems

Hi can anyone e mail me the manual for Powermax 155 thanks ?

I cant get hot water most of the time and the previous owner didnt leave the manual- please help- Im taking co... [Read more]
Mend Heating, Home Heating Systems

how can i fix my daughters powermax 155 combi boiler?

i have just cured a leek on my daughters radiator and after draining the system and then refilling the system.... [Read more]
Mend Heating, Home Heating Systems

Does anyone know where I can get two new brackets for the POWERMAX 155?

My powermax 155 has been switched off by British Gas because of two rusty brackets inside. I wondered if anyo... [Read more]
Mend Heating, Home Heating Systems

can anybody hel? ...there is a high pitch whistling noise from the boiler w?

When the boiler fires up there is a high pitch whistling noise its and it lasts for a few minutes then stops ,... [Read more]
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