Boiler/Heating Problems FAQ

Q - No Pressure in combi boiler

A - On a combi boiler the pressure on the dial needs to be between 1 - 1.5 when heating is cold ( this will go up to 1.5 - 2.5 when hot ) if below 1 it will need re-pressurising back to 1 bar.

This video shows you how to repressurise your heating system using your Greenstar gas boiler's internal filling key.

This video shows you how to repressurise your heating system with an external filling hose.

Read our step by step guide: This video demonstrates how to bleed a radiator, in order to release built up air and solve heating problems such as a 'gurgling' sound and cold radiator tops.

Q - I have no heating but i do have hot water?

A - Check a few simple things:
The boiler, timer and any thermostats are all on.
Any wireless thermostat have power i.e the batteries are dead.
Q - I have no hot water but i have heating?

A - Check a few simple thing:

The water mains is on
On standard boilers, check the timer and cylinder stat is set on.
Q - I have no heating or hot water?

A - Check the boiler has gas and power to it, if not check fuse and fuse board.
Fault code displaying ? try resetting the boiler

Some simple checks for your Worcester Greenstar gas boiler.

Q - I can’t work my new Worcester Bosch timer

A - Please watch the video below if you still struggling give us a call.
An overview on how to operate the simple to use Greenstar Comfort Controls Range.