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RM Cylinders

RM Indirect Copper Cylinder 900 x 450mm

Product Code: 47140

RM 900 x 450mm Indirect Copper Cylinder. Grade 3 with maximum working head of 10m. 25mm standard insulation and large heating coil. Complies with Building Regulations Part L.

  • 2 Year Manufacturer's Guarantee
  • Complies with Building Regulations Part L
  • British Standard Kitemarked
  • View more information

117Ltr capacity.


3.5 5 12

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RM Indirect Copper Cylinder 900 x 450mm 3.5 5 12 12
Dodgy Cylinder Firstly, absolutely no problem with Screwfix staff. Bought and installed first cylinder and had great difficulty sealing lower, cold water inlet. Tried PTFE tape, Jointing Compound and LS X, all to no avail - joint always had constant drip. Eventually came to conclusion it was the factory fitted flange joint that was faulty. Screwfix exchanged tank with no quibbles (although they did supply a bigger tank which wasn't immediately noticed and necessitated a return trip) which is now installed. Same joint still weeps but will hopefully seal over time. This is a weak spot on the tank as you are always worried that you are going to over-tighten the 1" nipple which should be fitted as standard. 7 Dec 2014
Great replacement HW cylender Almost an exact replacement for an existing cylinder - all fittings identical and in same places so an easy swap 6 Jul 2014
cylinder burst Had it for a week but it get burst and leak on my ceiling and i need to call the plumber again to replace the whole new cylinder and need to pay the plumber again and i end spend a lot of money for a faulty cylinder tank! 21 Jun 2012
Poor Welding Bought this on a Friday morning and installed same day. Was called back to a leak on Saturday evening! Discovered the cylinder seam had failed. Took it back for a replacement and had to reinstall at my own cost on Sunday. Hence the poor reliability review. May be a one off or could be a quality issue.... 21 Mar 2012
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Brand RM Cylinders
Grade Grade 3
Manufacturer Guarantee 2 years
Manufacturing Standards British Standard Kitemarked
Pack Size 1
Product Diameter 450 mm
Product Height 900 mm
Product Type Copper Cylinder
Total Product Weight 16 kg