Tag Archives for central heating repairs

Central Heating Repairs: The Programmer

CHECKING THE PROGRAMMER It’s not possible to repair a programmer, so if it proves to be faulty it must be replaced. But first, make sure the connections between the programmer and its backing plate are sound. ♦ Turn off the … Continue reading

26. May 2011 by admin
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How to Check Central Heating Control Valves

CHECKING CONTROL VALVES The control valve in question may have a coloured indicator or pointer to show it is working. If not, carry out the tests shown here: Some makes of valve cannot be serviced, and if jammed or faulty … Continue reading

26. May 2011 by admin
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Central Heating Repairs: Checking the Thermostats

CHECKING THE ROOM THERMOSTAT One of the first things to check on a room thermostat is that nothing in the immediate environment is triggering the heat sensor. Strong sunlight or a nearby fan heater will trip it prematurely, turning the … Continue reading

26. May 2011 by admin
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Central Heating Repairs: System Controls

CENTRAL HEATING REPAIRS – CONTROLS Gas and oil-fired ‘wet’ (ie. water-circulating) central heating systems rely on a series of electrical controls to turn the boiler on and off and monitor the output of heat or hot water. If one or … Continue reading

26. May 2011 by admin
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Central Heating Repairs: Easy to Follow Guide

CENTRAL HEATING SYSTEM Although water-filled (‘wet’) central heating systems vary widely in design, most work on the same basic principle and share the same basic problems. The majority of faults are easy to trace, and many can be put right … Continue reading

26. May 2011 by admin
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