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Air Source Heat Pumps (ASHPs)
Last Post by Scalextrix 6 hours ago
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 Scalextrix
(@scalextrix)
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Joined: 9 months ago
Posts: 33
Topic starter 16/06/2025 7:24 am  

@jamespa I don't understand any point in an air test, if that fails, then the pipes are then broken, and the system cannot be refilled without digging up concrete and ruining finishes. Am I missing something?

Also, will the secondary circuit behind the PHE count towards the system volume of the primary circuit with the heat pump on it, or will we also need a volumizer?  Why don't hot water circuits need minimum volumes?


   
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