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by John Spiers
Tue Mar 02, 2021 11:48 pm
Forum: Plumbing Forum
Topic: Primary water circuit and limescale issues
Replies: 0
Views: 1215

Primary water circuit and limescale issues

I have an existing pressurised Megaflo (170 litres) heated via an indirect coil fed from a Johnson and Starley Janus water heater via a pump and motorised stop valve. The Megaflo temperature is controlled by a thermostat which controls the pump and valve. The primary circuit is served by a small gra...
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