How to mend ... Sime

How do you release pressure from the SIME Friendly E boiler?

Pressure should normally be between 1.5 and 2 bar. It's currently at 3 and water is overflowing from the syst... [Read more]

SIME SUPER 90 - Diverter Valve?

Hello all, I have recently inherited a SIME SUPER 90 combination boiler in a house I moved into. The boile... [Read more]

radiators heat up while running the hot water tap?

My Sime friendly format boier is about 8 years old. When running the hot water tap the radiators heat up even ... [Read more]

sime diesel burner not igniting?

Have recently had a clean and overhaul of burner and new pump put in. Worked for 2 weeks but now not igniting.... [Read more]

Sime Boiler 100c format?

Hi, Need instructions for lsime format 100c boiler. Mine packed in a few days ago and i'm a bit lost. cant ... [Read more]

Water pressure on a Sime 100e combi-boiler?

... after replacing the diverter valve diaphragm, dhw heat exchanger and cleaning the inline filter I'm still ... [Read more]

Sime Friendly Format 80e, replaced diverter valve but rads. still get hot?

Boiler: Sime Friendly Format 80e Problem: Radiators get hot when DHW is run. I had assumed this was the di... [Read more]

How can i fix my sime 105 mkII?

When i turn hot water tap on boiler does not fire up but turning the heating on fires the boiler up. Whats wro... [Read more]

Can I download an instruction booklet for a Sime combi boiler?

I have bought a house with a Sime Friendly Format 80e combi boiler. As there is no instruction manual with it ... [Read more]

How can I fix my Sime 80c Format?

My Sime 80c format boiler has stopped working. It switches on but does not get any flame, which results in no ... [Read more]

sime 80c format combination boiler?

ch and hw go to lock out after 10 secs of main burner lighting

sime super 90?

how do you operate a sime super 90. just moved into a house with one...no operating instruction. can only get ... [Read more]

how can i relight my sime 30/90 halstead boiler?

how can i relight my sime 30/90 halstead boiler the light is out when i trun on for heating or hot water and w... [Read more]

can a faulty sime 100e boiler ignition board be repaired/?

This is the second unit i have come across this week with an intermittant fault,at £90 a time i wondered if t... [Read more]

sime friendly format 80e?

no hot water , boiler will not fire when hot tap is opened , heating works fine, hot water will work but only ... [Read more]

Sime 90 slow start?

My boiler was serviced last December and was working normally. Now it takes up to a minute to ignite when hot... [Read more]

leaking automatic air vent?

I have water leaking from the automatic air vent of my combi boiler (sime super 90)which stops when I tighten ... [Read more]

Central heating won't start up on Sime Formula 80?

From a cold start my Sime Formula 80 will not start the central heating. The boiler will fire up for a few sec... [Read more]

Sime Super 90 DHW/divertor valve problems HELP!?

Just replaced the diaphragm in the diverter valve, and lubricated the spindle with silicone grease. Although t... [Read more]

how can i get operating manual for sime 80 format?

unable to light the boiler also when it was on it banged and made noises in the middle of the night. please he... [Read more]