I read the post on Smiths under plinth heaters there was no ref to size of input pipes, I wish to spur off the heating system with plastic 10mm will this support enough flow rate (70gph) I think is what is required. I have a Combi system
I've never known microbore become blocked by corrosion deposits. 15mm pipe on the other hand can become blocked. The reason is that water travels at higher velocities in microbore and is less likely to leave any deposits.
I've never known microbore become blocked by corrosion deposits. 15mm pipe on the other hand can become blocked. The reason is that water travels at higher velocities in microbore and is less likely to leave any deposits.
Chris, my comment was meant to be in context - I've seen it happen where a plinth heater, because of the nature of its use, is out of circulation for long periods, and there can be a build up where the supply tees in to the rest of the circuit. I've also seen a plinth heater that seemed to act as a sump for every bit of grunge in the system, and defied attempts to clean it out. And don't forget - the velocity through each rad (and plinth heater) is independent of the water velocity in the supply pipework.
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