Tricks and tips for everyone


Where should a drain off valve be installed?

Where should a drain off valve be installed?

A drain-off valve must be installed immediately above the internal stop valve. It is the responsibility of the property owner.

Does every radiator need a drain off valve?

Should there be a drain off valves on all radiators. Due to cost cutting, there is no requirements to having a drain off valve on the radiators but, like in the paragraph above, I mentioned it is best to fit drain off points on every radiator.

How does a radiator valve with drain off work?

There are actually two different types of rad valve with draincock. One type drains the radiator and the other type drains the system. The type that drains the rad is to make it easy to take the radiator off for decorating. The one to drain the system is so you don’t need to solder in a separate draincock.

Does drain off go on flow or return?

The Drain down valve should be located on the flow side of the radiator unless TRv’s are fitted in which case it does not really matter. However, it is important to fit the drain down valve/’s at the lowest point in the system, preferable discharging through to the exterior of the building.

How deep does a water pipe need to be buried?

two feet
According to ‘The Department of the Environment’, they recommend that pipes should be buried at least 600mm (two feet) underground. At this depth, the soil acts as a natural insulator and prevents them freezing.

How do you drain a radiator without draining the system?

How to remove a radiator without draining the system

  1. Close the radiator valves. Shut down the lockshield and the TRV, which are on the opposite sides of the radiator.
  2. Drain the radiator.
  3. Pull the valve off.
  4. Remove the radiator from its brackets.
  5. Tilt the side of the radiator.
  6. Refit the radiator after painting.

How do you drain a radiator without drain plug?

There is a screw on the bottom of the expansion tank. It should be blue or green. Open from there, drain (open your exp tank cap), and open your engine block drain plug once that’s done.

What is the purpose of a drain-off valve?

A drain valve performs the critical function of allowing excess water vapor to escape into the atmosphere. The removal of condensation helps prevent the formation of corrosion that will eventually damage the compressor and shorten its lifespan.

How do you drain a modern radiator?

Go around your house ensuring that all the radiator valves are open, then go back to your radiator with the attached hosepipe and open up the valve. All the water will start to drain out. To get the water to drain out more quickly and effectively, go upstairs and open the bleed valves on all of your upstairs radiators.

How do you drain an unvented cylinder?

How to drain the hot water cylinder

  1. Turn off the immersion heater and the boiler.
  2. Isolate the cylinder from its supply.
  3. Run the kitchen hot tap until it stops.
  4. Locate the draincock at the bottom of the cylinder.
  5. Place an old towel underneath the draincock.

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