Rt40 Pressure Independent
Return Temperature Limiter
Creating free energy
Towel rails typically only provide a small amount of heat, and when towels are placed over the rails, they will effectively insulate the rail surfaces, further reducing heat output and raising return temperatures.
Recommended by CP1 (2020) as best practice, installing a Pressure Independent Return Temperature Limiter (PI-RTLV) on the towel rail (as opposed to the collective space heating return) guarantees low return temperatures from the towel rail without compromising function.
Rt40 PI-RTLV Selector
The use of a return temperature limiter on heated towel rails is particularly useful as the output (and hence return temperature) is otherwise determined by the number of towels
Heat Networks Code of Practice (2020)
Minimise waste, maximise efficiency
From reducing energy waste, improving the efficiency of the heat plant, lowering heating bills and reducing set-up & commissioning time, the Pt40 offers 12-15% energy saving compared with traditional TRVs.
Pressure fluctuations due to varying load conditions require a constant automatic balancing to maintain a comfortable and efficient heating system.
No more no less
With a simple setting scale (1-7), the Rt40 can permanently and reliably control the heat delivered to individual towel rails.
Return temperature limiting
Protect the network’s performance without compromising the comfort of occupants.
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