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What might happen if the solid wood boards were greater than 80mm wide ?

Hi Planning to install underfloor heating on upper floor of a timber framed house. Joists at 400mm c/c sheeted with 9mm Sterling Board. 30mm straps fitted on top to extender joists. Plastic pipe for underfloor heating system to be run between the straps and then a lean sand / cement...

Hi I understand that 180 is the distance between the flanges - 180mm The 60 means a maximum head of 6m. What does the 25 number mean ? Is this UPE ( Electronic Pump ) sill current with Grundfos ? Cheers

Good Evening I have a double light switch to control 2 different lighting circuits in one room. The double light switch is modular and I need to remove one of the switches. I have located the common live wire which feeds both switches. I have removed the switch as planned and...

Many thanks.

Hi I have read that to charge a CH expansion correctly that I have to drain off the CH water until the pressure makes sense so that you can read simply the air pressure in the expansion vessel. I understand the reason but I am loathed to drain some of the CH water off as I have just...

Many thanks. :D

I went to check the static pressure on my CH expansion vessel today. When I checked it the schrader valve started to leak air. Can the innards of the schrader valve be repalced ? I would really rather not drain the ststem down as I have just got all the air out of it. Cheers

Forgot to mention that it still needs balancing. So by balancing the system I can force the water to go where I want it to go ?

Hi We have a 2 story house. The CH flow pipe rises from the boiler on the ground floor into the ceiling above. The flow pipe work runs along the ceiling and serves radiators on the upper floor. At 2 points the flow pipe work drops down from the ceiling to serve 2 radiators on the ground...

It is a Grant Utility System Boiler 15kw to 26kW

It is an oil fired condesning boiler connected to a sealed system. System is new and was thoroughly flushed.

Morning Moved in to new house and found that the radiators are only running luke warm ? A mate came round and told me that the temperature of the flow water going to the rads was low. We increased the knob on the boiler to maximum setting, but it seemed to make little difference. Any...