Metering For The Domestic Renewable Heat Incentive - Uk - Dimplex A8M Installation Manual

4.1.4 Metering for the Domestic Renewable Heat Incentive - UK

Please take note of the following requirements if the installation is to be fitted with a meter;
• Leave sufficient space for appropriate meters to be fitted in defined locations.
• For Dimplex installations using 22mm pipe, please leave 440mm of straight pipework on the
meter inlet pipe and 175mm of straight pipework on the outlet pipe;
• For installations using 28mm pipe, please leave 560mm of straight pipework on the meter inlet
pipe and 175mm of straight pipework on the outlet pipe.
• Install low pressure-drop isolation valves to avoid the need to drain systems when fitting heat
meters. See the schematics (Appendices) for more information on valve locations.
• Leave sufficient pipework accessible, i.e. not boxed in or under floor boards, to enable meters to
be fitted.
• Guidelines for fitting an MCS approved meter can be found in the Domestic Renewable Heat
Incentive essential guide to metering, available on the Ofgem website: www.ofgem.gov.uk
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