TRV4 Classic

The TRV4 Classic is Class 1 rated for efficiency by the European valve manufacturers association making it one of the most energy efficient TRVs available.

Available since 1993 and still Britain's best selling range of Thermostatic Radiator Valves Drayton's TRVs set the standards for design, performance and quality. The range includes Lockshield and Pushfit packs to suit most domestic and commercial heating systems.

  • 15mm Angle
  • Class 1 rated
  • Reverse flow
  • Accurate liquid sensor
  • Non-stick internals
  • Double gland seal
  • Balance system via the TRV
  • Contemporary slimline design
  • Balance system via the TRV using our balancing key
  • 4 colour variants

Drayton stockists near you

Part numbers 10mm Angled valve: 07 05 152
10mm Straight valve: 07 05 155
15mm Angled valve: 07 05 150
15mm Straight valve: 07 05 151
Applied standards BS EN 215
Temperature setting range Approx 10°C to 30°C
Hysteresis 0.4K
Water temperature influence 0.8K
Differential pressure influence 0.15K
Response time 20 minutes
Energy efficiency rating Class I
Setting numbers 1 to 5 then MAX
Max. flow temperature 110°C
Max. sensor temperature 50°C
Frost protection Below 8°C
Sensitivity 0.22mm/°C
Control accuracy 0.6

Compliance Information

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