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Had an old guy in to decorate. He's retired and likes to keep busy. He was a professional engineer and has a wide range of skills and turns his hand to anything. A very knowledgable guy and is very diligent and precise. He charges £100 per day for an 8 hour day. I asked him to decorate 2...

How do you factor in the air volume changes in each room when you undertake heat load and heat loss calculations for central heating emitter size at a given delta T?

Heating season is now underway and going through tests and checks for the season The heating return is showing a differential of 20 degrees from the flow side and some rads are just not heating at all. (system is drained down each year) with such a large differential, where is the heat going if...

Having made some pipe diam changes over the summer I thought it would be a good idea to fill the system and check it, ready for the winter. On filling the circuit I noted that it seemed to be taking longer than usual to fill so checked for leaks and started to refill again. Got the circuit to...

Last week, a young lad from Portsmouth was handed a 12 month sentence and £5000 fine for claiming to be on the gas safe register. The alleged offences occurred a few years ago but like all private prosecutions (HSE are not Gov) it takes time and lots of money to get to court. HSE employed a...

Like the look and feel of cement in the kitchen so I'm going to have a go at using micro cement on the floors and worktops Anyone applied this? What were the issues you discovered that were never mentioned in videos?..if any

Is converting a bathroom to use as a wet room notifiable to BC and therefore subject to BC fees?

Trying to give new life to an old galaxy tab. It belonged to a previous company and was locked down with knox. Knox was removed (as a cloud service but it still has it installed) and on checking back with the IT team (it is a 5yr old tab) they don't have a record of the FRP email they used on...

I need to remove a few porcelain tiles that are fixed to a foam based tile backer-board. Is it inevitable that I will have to cut and replace the foam board or is it possible to remove the tile from the board? I ask because I've never done this before so need to know if its a method of going...

Is there a simple light switch (retrofit to existing switches) that allows the circuit to be cut after a set time so as to switch the light off? The scenario is to remove the need to have to go up several flights of stairs when the kids leave the landing lights on at the top of the house

Is there a site or can someone provide the formula to be able to calculate radiator heat output at various delta T values?

Renewal price on energy starting Aug has risen from £130 to £736/mth so now is the time to look for savings in gas (the biggest cost is heating @ 73% ) My idea is to add heat to the water in the CH circuit before it returns to the boiler so that the boiler can modulate way down and so reduce gas...

Installed a mira shower base with fast flow drain (30l/min) supplied with tray Waste (40mm) runs under floor for 2m, takes a 90 bend then 30cm into the internal soil stack (AAV which is new) the 2m run has a self sealing valve on it Shower tray is flooding and the flow into the stack is but a...

I need to connect a 22mm plastic pipe carrying condensate waste (boiler already neutralised it) to a 32mm plastic pipe than will then fit into a 4 boss waste manifold Any suggestions?

Using a 1/2 inch to 15mm adapting coupler into a brass shower mixer and there is a weep on the joint. Used lots of ptfe and also added the jointing compound...still it weeps. Options left to try?

When a radiator loop from the main flow and return pipe has equal pressure, there can be no flow across the radiator. What is it you professionals do to reduce the pressure on a single loop and create the differential so as to enable the flow?

I have experienced a number of issues with rads being cold then warm on alternate days/times. I balance the system and then the next day its out of balance once again. On recording the data (rad temp in/out Dt etc) I concluded that this is a function of the ErP compliant system I have. It will...

I have had a full central heating system installed, all new pipes (that's every single inch of pipe has been replaced) and all new rads (16 off) The property is over 5 levels with rads on all levels and the boiler is at the highest point in the roof space The boiler circulating pump is on the...