How do I increase pressure in my boiler?

To increase the pressure in your boiler, locate the filling loop under the boiler. Open both valves to let cold water flow into the system until the pressure gauge reaches 1.0–1.5 bar. Always monitor the gauge and close both valves once the correct level is reached.

Why is my boiler losing pressure?

The most common cause of boiler pressure loss is bleeding radiators, which releases water from the system. Leaks in the boiler or pipework can also lead to pressure drops. If pressure drops repeatedly, call a Gas Safe engineer.

Why are my radiators warm even when the heating is off?

If your radiators are warming up without the heating being turned on, it is likely due to a faulty anti-gravity (check) valve that is allowing heat to circulate naturally by convection. A Gas Safe engineer can replace the valve.

Are you Gas Safe registered?

Yes. A.S. Plumbing and Heating Engineers is fully Gas Safe registered (ID: 211549). By law, all gas work must be carried out by a registered engineer. You can verify our registration at gassaferegister.co.uk.

Do you offer 24/7 emergency plumbing and boiler repair?

Yes. We provide 24/7 emergency plumbing and boiler repair services across Dewsbury, Wakefield, Halifax, Bradford and Huddersfield. Call 07866 623870 any time of day or night.

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