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Mend Rd 3 Boiler Unit

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We have 430 questions about mending 'rd 3 boiler unit'

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Mend Heating, Home Heating Systems

Unexplained noises?

Good day, I have been experiencing a problem with my domestic heating system. There are occasions when the sy... [Read more]
Mend Heating, Home Heating Systems

How can I resolve an issue with BOSS Therm BPS242RF failing?

Just wondering if you have ever seen an issue like this: Heating setup: Boiler downstairs in kitchen, hot w... [Read more]
Mend Heating, Home Heating Systems

Vaillant condensing boiler ecoTEC plus?

The boiler stopped working and showed fault F22 dry fire. I changed the 3 amp fuse in the electric switch and ... [Read more]
Mend Heating, Home Heating Systems

3way PEVLV01 dripping a bit. ?

I have a TriangleTube Prestige Excellence. I have a new valve, but am concerned about excess air in the CH an... [Read more]
Mend Heating, Home Heating Systems

Schematic diagram for Potterton 407677 control unit?

I am having problems with the control unit (407677) in my 22 year old Potterton Profile 80e boiler. Does anyo... [Read more]
Mend Heating, Home Heating Systems

How do I find the serial number on a Pensotti DK-2 boiler?

I need to fill out the warranty paperwork and I need the serial number off the unit. Where do I find that?
Mend Heating, Home Heating Systems

Saunier Duval Isofast condens F35E....nothing working?

I have been on holiday and turned the boiler off at the mains, on returning turned it on and the remote said R... [Read more]
Mend Heating, Home Heating Systems

drayton digistatrf1 wireless system?

Changed batteries in wall control how do you reset system as fault light is showing on receiver at boiler unit
Mend Heating, Home Heating Systems

Is a Boss BR1 compatible with any other brand?

I have a worcester Greenstar 37cdi boiler with a BOSS Therm BPS 242RF programmable timer. The timer unit itsel... [Read more]
Mend Heating, Home Heating Systems

My Boss therm BR1 receiver works erratically?

My new Boss thermostat controls work erratically. Normally the BR1 receiver shows a green light at the top ( I... [Read more]

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