Heating Controls Explained: TRVs, Zones and Getting Your System to Behave
Your heating runs on layered controls: a programmer deciding when, a room thermostat deciding the overall temperature, and thermostatic radiator valves trimming each room. Zoning splits the house so areas can be controlled separately. When those layers work together the system uses less gas and heats more evenly. The short version The programmer sets when […]
Hot Water Cylinders Explained: Vented, Unvented and What Yours Needs
A hot water cylinder stores heated water ready for use, and the key distinction is how it is fed. A vented cylinder is supplied by a cold tank in the loft and works on gravity. An unvented cylinder is fed at mains pressure and is a sealed pressure vessel, carrying safety controls that must be […]
Boiler Flues and Ventilation: The Safety Checks You Cannot See
A boiler flue is the sealed duct carrying combustion gases out of your home, and the air supply is what lets the burner combust cleanly. If either is blocked, damaged, badly sited or disturbed by building work, carbon monoxide can enter the property. Flues and ventilation may only be inspected, tested or altered by a […]
Magnetic System Filters: How They Protect Your Boiler From Sludge
A magnetic system filter is a canister plumbed into your heating return pipe that traps the iron oxide sludge circulating inside your radiators before it reaches the boiler. It uses a magnet and a settling chamber, needs cleaning out yearly by an engineer, and on most modern boilers it is a condition of keeping the […]
Boiler Left Off Over Summer: Why Idle Boilers Seize Up and How to Prevent It
SUMMER BOILER CARE Boiler Left Off Over Summer: Why Idle Boilers Seize Up and How to Prevent It Why switching your boiler off for months can jam the pump and diverter valve, and the simple summer habit that keeps it ready for autumn. By Manchester Gas and Heating Published 28 July 2026 Reading time […]
Low Boiler Pressure: Why It Keeps Dropping and How to Fix It
BOILER PRESSURE GUIDE Low Boiler Pressure: Why It Keeps Dropping and How to Fix It What the pressure gauge is telling you, how to top it up safely at home, and when a persistent drop means it is time to call an engineer. By Manchester Gas and Heating Published 29 July 2026 Reading time […]
Cold Spots and Noisy Radiators: How to Bleed and Balance Your Heating This Summer
RADIATOR CARE Cold Spots and Noisy Radiators: How to Bleed and Balance Your Heating This Summer Why radiators run cold at the top or in the far rooms, and how a summer bleed and balance sets the whole system up to heat evenly this winter. By Manchester Gas and Heating Published 22 July 2026 […]
Hard Water and Limescale: How to Protect Your Boiler This Summer
HARD WATER PROTECTION Hard Water and Limescale: How to Protect Your Boiler This Summer Why limescale quietly wrecks efficiency, where it does the most harm, and the scale protection that keeps hot water strong all year. By Manchester Gas and Heating Published 15 July 2026 Reading time 7 minutes Hard water and limescale are […]
Carbon Monoxide Safety in Summer: What Every Home Should Check
Gas Safety Carbon Monoxide Safety in Summer: What Every Home Should Check Barbecues, idle boilers, and expired alarms make carbon monoxide a year-round risk. A Gas Safe engineer explains the checks worth doing this June. By Manchester Gas and Heating Published 23 June 2026 Reading time 7 minutes 40 Deaths a year, England and […]
Outside Tap Installation: A Summer Job Worth Doing Properly
Plumbing Services Outside Tap Installation: A Summer Job Worth Doing Properly What a compliant garden tap installation involves, why the double check valve matters, and how to stop yours freezing next winter. By Manchester Gas and Heating Published 16 June 2026 Reading time 7 minutes Watering cans filled at the kitchen sink, a pressure […]