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IaAck
@iaack
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Estimable Member
Joined: Mar 8, 2023
Last seen: Nov 3, 2025
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Topics: 0 / Replies: 51
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RE: One flow valve appears to be duff

You might want to consider the following common faults: Air in the System/Pipes (Air lock): This is the most common problem. Trapped air prevents wa...

6 days ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Oil Boiler & Heat Pump Hybrid System

@paultheheating How do you currently recoup the oil cost from the tenant and who pays the electricity bills? My understanding is the BUS grant is du...

6 days ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Electricity price predictions

@jeff The cost of an electric motor is pretty insignificant compared with cost of electricity it consumes in its operational lifetime. The cost of ins...

2 weeks ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: New build installation query

@jamespa I think you are right about a hotel type hot water feed. Hot water seems to return, see the secondary return shown in this section of dia...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New build installation query

@paullacey From the diagrams I assess you have 2 heat pumps plumbed in "tandem" but controlled in "cascade". What the second heat pump can do is the s...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mixergy Tank Failure

@bontwoody "but after a minute the 3 way valved closed." I might be wrong but could it be a 3 port, 2 way valve with mid-position?   Oper...

3 weeks ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Should Our Water Circulation Pump Be Configured to Run All The Time?

@grahamf To save wear and tear on the pump why could you not run weather comparison during the winter months only, and fixed temp. for the other month...

4 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat Batteries

@jamespa Surely the problem will be grid undersupply i.e when the wind fails to blow just when you need it to! This is the problem that needs to ...

1 month ago
Forum
Wood Burners, Biomass, Small Scale, Biofuels & Other Heating Alternatives
Reply
RE: Electricity price predictions

@jamespa or it might be related to the number of nuclear power stations closed over that time frame? Since 2008, five UK nuclear power stations have...

2 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Electricity price predictions

@jamespa had the closure of coal powered electricity generation had a part to play in general increase? Rapid Decline:Coal's share of the UK's elec...

2 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Why do we need pressurised systems?

@toodles, touché chez. /\

3 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Why do we need pressurised systems?

A question for Inspector Watson?

3 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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