How to Replace a Pump Valve
Central heating pumps fail for a variety of reasons with the most common being component corrosion and the non-flushing of the system on a regular basis.
To replace a pump:
- Shut off the electrical connections.
- Locate the pump to be replaced.
- Ensure familiarity with the electrical wiring schematic.
- Shut off the isolating service valves or, if required, drain the system.
- Waterproof the area.
- Loosen the connections and remove the failed pump.
- Replace the pump and tighten connections.
- Turn-on the isolating service valves and check for leaks.
- Ensure the area is fully dry before powering up.
- Bleed the system.
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