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Mend Heating, Home Heating Systems

Halstead Quattro - Fires up, but no HW?

Hi. I know there are similar posts on here, but not exactly the same. Okay, this is the problem - even with th... [Read more]
Mend Heating, Home Heating Systems

BG 330 boiler - CH on when should be off?

I've got a BG 330 bolier with a UP2 controller and room thermostat. The central heating appears to be on full... [Read more]
Mend Heating, Home Heating Systems

I have pressure loss on my Worcester 28cdi combi boiler why?

My worcester 28cdi combi boiler will lose its pressure when it goes cold. I set the pressure to1bar.Then I tur... [Read more]
Mend Heating, Home Heating Systems

ALPHA 280E BOILER FAULT?

Alpha 280E with heating set to off, turn on hot tap and boiler will not start, turn heating to on and it will ... [Read more]
Mend Heating, Home Heating Systems

Ferroli Optimax 38c combi boiler showing fault code d1 ?

My ferroli 38c condesing combi boiler has no hot water and showing fault code d1 ? the c/heating is working f... [Read more]
Mend Heating, Home Heating Systems

Powermax 155 setting the timings?

I don't have a user manual for my Powermax 155 combi boiler. How do I set the water and heating timings?
Mend Heating, Home Heating Systems

wehave a potterton profile 50e which keeps cutting out?

We had the boiler and heating sytem serviced last year with a new fan, pump and complete drain down. The boile... [Read more]
Mend Heating, Home Heating Systems

Over heating of central heating system?

I have a frost stat in the garage (where my boiler is) and a normal room stat (set to 20degrees). When the fro... [Read more]
Mend Heating, Home Heating Systems

flow switch problem?

I have a Glowworm compact 100 E combi boiler, which was partially dismantled to fix a leaking hydroblock.Since... [Read more]
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how do i set the timer?

how do i set the timer on my boiler?
Mend Heating, Home Heating Systems

Vaillant powermax ?

Am having a problem with my central heating. I can't seem to get the temperature of the house to be any more ... [Read more]
Mend Heating, Home Heating Systems

Heating?

The CH temp gauge on my Sabre Boiler is shaded grey. It doesn't show temp in degrees so I am not sure where I... [Read more]
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I need instruction to operate timer on my ariston euro combi boiler ?

how can i set the timer on my ariston euro combi boiler it has a circular clock system with sections you can p... [Read more]
Mend Heating, Home Heating Systems

re-starting oil boiler myson velaire 70/90 class v?

the boiler ran out of oil 3days ago i have since had the tank filled 500lts, and was told to take the front pa... [Read more]
Mend Heating, Home Heating Systems

worcester boiler - hot water works but no central heating ?

my rf sender and reciever seem to be workin fine because when i set the temperature the piolot light comes on ... [Read more]
Mend Heating, Home Heating Systems

How do you fit an external switch to a Grundfos 15/50 pump?

How do you fit an external switch to control the variable speed on a Grundfos central heating pump fitted to a... [Read more]
Mend Heating, Home Heating Systems

Variations in heat from taps and shower?

Sometimes my hot tap is too hot to use and other times it fuctuates between hot and medium when turned on full... [Read more]
Mend Heating, Home Heating Systems

Individual radiator thermostats dont turn off ?

I have set each radiator thermostat to off in unused rooms, despite this they are burning hot. The only way i... [Read more]
Mend Heating, Home Heating Systems

setting the room temperature?

I have pressed the + control to set temp at 23 degrees. The display is only registering 14 degrees. is it talk... [Read more]
Mend Heating, Home Heating Systems

baxi bermuda 401?

should the boiler run for 40 seconds then switch off then run again then do this all the time while it is runn... [Read more]

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