Mend > Home Heating Systems

Myson orion 40si?

Hi there! I have a myson orion 40si The problem i'm having, When the the system fires up it will take 3 t... [Read more]

2

Potterton Programmer not controlling stat?

I developed a fault on my Potterton system as a direct result of trying to change the in room stat (Potterton ... [Read more]

fault code s.0?

my vaillant boiler wont turn on

Fault with ideal isar he 30?

My ideal isar he30 boiler keeps on heating the system when the programmer is off and goes to the preheat for t... [Read more]

my boiler no working?

boiler start 2 second then stop.and show code fault.a/01

Noisy relay switch in fan coil unit in condo?

When the relay switch turns on in the fan coil unit, it sounds like a gunshot. Relay was changed, but noise i... [Read more]

potterton performa?

boiler on low flame vibrates but does not on full flame

1

How to adjust heating & water controls Vaillant ecoTECpro?

Since being serviced recently both water & heating have become too hot; the dialls on the left which control w... [Read more]

Baxi Combi Instant 105e - Pressure Gauge?

My Baxi Combi instant 105e Boiler Gauge keeps dropping to zero pressure, after repressurising and during opera... [Read more]

2

why is my red light not on?

i have no hot water or heating the water was hot earlier today but wont get hot now, the boiler wont ignite b... [Read more]

switchmaster 300?

switchmaster 300? i have a switchmaster 300 about 14 years old.the timer has stopped and will not restart.i h... [Read more]

1

condensing boiler 532/i. ?

i have had to bleed my radiators and now boiler wont work. the pressure is at zero. i have tried to let more w... [Read more]

1

where do i find reset button?

where do i find reset pressure on my valiant eco tec plus 824 showing f22 problem

1

dimplex electric towel rail?

Just stopped working. Only used during the winter and only 4 years old. Have changed fuse but still nothing.

1

how to fix my Vaillant ecotec plus 824?

My boiler is flashing con on display as I have had a rubber pipe split. I have tried hair dryer for 1/2 hour ... [Read more]

1

i need to find out my modal?

i've had a survey of my heating system, but before we can go ahead and change it i need to find the modal of m... [Read more]

boss therm bup2?

How do you switch off central heating program as it keeps reverting to original times first set thanks

modena 80 E combi boiler?

my boiler heating/hotwater is working,but yesterday i noticed that water was been expelled via the over flow.o... [Read more]

1

Creda output dial is spinning?

The output dial is allowing me to spin it 360 degrees non stop without being forced. I am worried that it will... [Read more]

Halstead ace high will not reset?

Hi, I have just serviced a Halstead ace high 30kw combi for a customer. I closed the gas valve to check the ... [Read more]