Phil the Fluter
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Today, I thought I'd have a go at replacing the faulty stop valve on the filling loop.
Having shut off the heating flow, the heating return and the cold water inlet on/off valve, I drained the boiler via the drain off point.
I removed the flexi pipe of the filling loop and opened the faulty stop valve.
A little bit of water came out, then a pause, then a little bit more water, and then another pause, then a bit more water and then a steady flow of water emerged.
Having already drained the boiler via the drain off point, I wasn't at all sure where this "new" water was coming from.
Not wanting to empty the local reservoir (the worst case scenario!), I closed the stop valve and didn't proceed with the operation.
Should I have let this water flow until it stopped flowing, and then proceeded to replace the stop valve?
Advice much appreciated.
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