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Mend Heating Boiler Thermostat Set

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We have 114 questions about mending 'heating boiler thermostat set'

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Mend boiler temperature thermostat

Boiler heating above the programmed set back temperature ?

I have a boss therm wireless thermostat used all the advice regarding communication issues with this system ho... [Read more]
Mend combi worcester programmer

combi oil Worcester greenstar heatslave 12/18 switches off?

I have a internal combi oil Worcester greenstar heatslave 12/18 Its has a built programmer and Hot water t... [Read more]
Mend boiler showing set

How can I fix Remeha Avanta Plus 28c over heating?

Boiler is showing no error codes is set at factory setting of 75c but is over heating getting to 95+before sh... [Read more]
Mend baxi 105e combi boiler

Baxi 105e Combi Boiler?

I have a Baxi Combi 105e which has been really great until now but has starting acting up and I think it needs... [Read more]
Mend baxi heating noticed

Baxi Combi 133 - how to stop the heating coming on randomly?

Hi In the last couple of days we have noticed our lounge radiators getting warm at random times of the day. ... [Read more]
Mend 80e combi boiler

Modena 80e ?

Hi. I have the above combi boiler. Ever since we turned it to heating for the colder weather it comes on at th... [Read more]
Mend code working years

Ferroli Optimax HE31C Error Code NOcn?

I have a Ferroli Optimax HE31C Boiler and it has been working fine for years but all of a sudden it has fault ... [Read more]
Mend boiler call temperature

boiler cycling?

with no call from the heating/hotwater or under floor heating .The boiler continues to cycle.Is the cause.the ... [Read more]
Mend thermostat switching despite

RC1 and WR1 thermostat keeps switching to alarm, despite constant resets!?

Hello, I hope someone might be albe to help me. I have noticed that my heating alarm LED keeps coming on a... [Read more]
Mend f5 18hxi boiler

Permanent F5 fault?

I have a Glowworm 18hxi boiler with a Systemate 2000 Gledhill system. Boiler keeps failing with F5 fault. Ha... [Read more]
Mend ideal boiler heating system

Ideal ff series boiler?

Hi Guys I am currently having issues with my heating system, where as more boiler fires up no problem but it c... [Read more]
Mend combi boiler water cold

Troubleshooting a Bosch ZWB28-3 combi boiler?

Currently it heats our hot water well but when cold is mixed in like in the shower the temperature of the wate... [Read more]
Mend heating hot fire

Potterton Netaheat - no heating without hot water?

Boiler will only fire up when "hot water" selected on controller (EP2002). When hot water is on, radiators al... [Read more]
Mend hot heating mode boiler

Worchester junior 28i hot water no heating 5 flashes in service mode?

I have a Worchester junior 28i boiler, the hot water is working but not the heating and the green burner indic... [Read more]
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