How to mend ... Pressure Sime System

SIME Format System 25 HE, how do I increase pressure above 1 bar?

I have a SIME Format System 25 HE. The pressure keeps dropping below 1 bar. I've had a plumber out who injec... [Read more]

how do i repressurise my sime super 80 boiler?

Sime super 80 boiler. No manual available. I get hot water briefly in shower but no hot water elsewhere in th... [Read more]

sime friendly format 80 e pressure problem ??

hi, my sime boiler has a problem with building up pressure. the hot water side works perfectly. however if th... [Read more]

How can i fix my sime friendly format 80E boiler?

When turning on the Central Heating and leaving it for approx. 30mins, the pressure keeps going over the blue ... [Read more]

how can i fix my sime format 80 ?

pressure keeps dropping to zero. have bled all rads, noair in system. pressurised system back up to 1.5 bar bu... [Read more]

sime format c boiler-female in distress!!?

Hi, my heating has been off most of the summer and on swithcing the system back on it worked perfectly but i n... [Read more]

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]

How do I add water/increase pressure to Sime Format System E1 boiler?

The Bi-colour orange LED is flashing, and the water pressure is at 0. How do I add water or increase the pres... [Read more]

low pressure in my Sime format 80c?

I have a sime format 80c boiler installed about 1 year ago. The pressure on the boiler goes low, for no app... [Read more]

pressurising a SIME Super 90 boiler?

I have just switched on the boiler for the first time. I have bled one of the top two radiators until the air ... [Read more]

pressure increases when switched on?

my combi boiler pressure guage increases from 1 bar to 3 bars when swithched on and it only fires up to heat w... [Read more]

Over-pressurised combi boiler system - help!?

Trying to re-pressurise my Sime Super 90 Plus, I opened filling loop valve and let water in to 1 bar pressure.... [Read more]

how do i re pressurise my sime combination boiler, friendly format e?

i have a sime friendly format e which seems to be losing pressure on the gauge. does anyone know how to repres... [Read more]

Sime super 120 de luxe - high pressure problem?

Hi, I have read a few similar questions on this site, so appologies if this is not new, but here we go.. Th... [Read more]

How can I repressurise our SIME Super 90 Mk II?

We need to repressurise our SIME Super 90 Mk II as our central heating system will not fire up. Our hot water ... [Read more]

Intermittent hot water one SIME combi boiler?

I have a sime combi boiler, sorry, I dont know where to find the model number, but the heating (radiators) are... [Read more]

Sime Super 90 losing pressure?

hope some one can help me i have sime super 90 it seems to be losssing presure (about half a bar) after runni... [Read more]

How do I re-pressurise the water in a Sime Super 80 Boiler?

Hi, I have a Sime Super 80 boiler, and the black needle indicating the water pressure is very low. I have b... [Read more]

How can I fix my SIME Friendly Format 80E Combi?

The situation is this: No hot water, no on light! When hot tap is opened there no flame, no fan and the pre... [Read more]

How can I fix my leaking Sime Friendly Format 80 e?

My combi boiler is dripping/ running water when in use. It appears to be coming from a valve attached to the p... [Read more]