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Richard24738
@richard24738
Member
Estimable Member
Joined: Mar 14, 2024
Last seen: Sep 8, 2025
Profile Activity
Topics: 6 / Replies: 84
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Reply
RE: Red Expansion Tank

@bobtskutter Hi Bob. Installer asked me to check the pressure relief valve on the top of the Red Expansion tank. Only air came out; pressure was 1.5 a...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Red Expansion Tank

@bobtskutter Thanks. Chasing up my installer.

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Red Expansion Tank

@bobtskutter So, just to be sure I understand, it shouldn't drop to zero when the heat pump is idling? In heating mode, it seems to be staying on or...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Red Expansion Tank

@bontwoody Thanks. I did top it up a few days ago and that's what made me look at it today. If the pressure is gradually rising to 1.9 when the pump...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Red Expansion Tank
7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 15
Views: 1156
Reply
RE: hum/whine from Wilo circulation pump

@toodles Just to close this track, my installer was happy with the pump speed adjustments. Primary Grundfos Pump on speed setting 1 and Secondary Wilo...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Insulating brass fittings in Loft

@transparent Thank you for your comments. I have insulated my loft Automatic air valves and brass connections by wraping in Topsleeve Sheep wool pip...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Insulating brass fittings in Loft

@johnr @transparent Thank you for your suggestions. Yesterday I found out that the Air Valves are in fact automatic so I have to be a bit more caref...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Insulating brass fittings in Loft

@allyfish Many thanks for your reply. I was afraid I am getting too fussy although my installer may still think so! I am surprised that there are no...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Insulating brass fittings in Loft
8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 10
Views: 631
Reply
RE: hum/whine from Wilo circulation pump

@johnr I think I may have missread something somewhere as I now understand that the secondary pump flow rate should be equal to or greater than the pr...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: hum/whine from Wilo circulation pump

@johnr Hi. I think I may have missled you in that my buffer is configured in exactly the same way as you describe. Whats a little bit concerning for...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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