Conrad Electronic UK Ltd
Severalls Lane Colchester Essex CO4 5JS United Kingdom
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Item no.: 1378424 - 89 
Manufacturer No.: BC-RT-TRX-CyN / 142016A0A
EAN: 4047976420162
£ 19.99

incl. VAT, ex. delivery
Delivery time
Sold out - Discontinued
This item is out of stock.
Delivery Rates
FREE on all orders over £199

Delivery costs

Orders shipped inside the UK: A flat rate of £6.99 (incl. VAT) applies (Standard Delivery - 3 to 4 days)

The delivery of orders with order values exceeding £199 is free. 24 hour delivery service costs £19.99

The delivery of large or bulky items (clearly labelled as such on our website) will incur a shipping surcharge which is stated on the relevant product page. The surcharge covers both postage and packaging.

4 Year Warranty
4 Years Extended Warranty Pay a small one-off surcharge at the time of purchase in exchange for 4 years worth of piece of mind. Tick the "4 Years Extended Warranty" box during checkout, and your item comes with a 4 years extended warranty. Detailed information about our 4 Years Extended Warranty available here.
Volume Discount

Radiator Thermostat Basic

Technical data

Category Wireless thermostat head
Series MAX!
Operation type electronical
Connections (home appliances) M30 x 1.5
Power supply (LOV) battery-powered
Max. current consumption 100 mA
Switching cycle 24 h mode, 7 day mode
No. of daily switching programs 13
Frequency 868 MHz
Hysteresis 0.5 °C
Max. range 100 m
Colour White
Width 55 mm
Height 60 mm
T 102 mm
Weight 160 g
Content 1 pc(s)

Highlights & details

  • Frost protection
  • Operation look


Choose programs for one or several days, with up to 13 time settings per day. Time settings can be changed manually via the TRV control knob. Easy to install. No draining of radiators or central heating system required. System can be extended by wall thermostats, and, using the MAX!Cube, with window sensors and ECO switch.


  • Easy to fit - no tools or fiddling with the central heating system necessary
  • Compatible with all standard radiator valve brands including Heimeier (M30 x 1.5), Oventrop A (M30 x 1.5) and AV6 (M30 x 1.5 ) types, Comap D805 (M30 x 1.5), as well as Danfoss RA, RAV, and RAVL
  • Compatible with MAX! Wall Thermostat, even without MAX! Cube
  • Automatically adjusts to any radiator specs via adaptive control circuits and additional flow limiters (optional). No hydraulic balancing of raditators required ·Factory presets allow immediate use
  • Optional manual setting
  • Frost protection and temperature drop detection
  • Valve protection
  • Changing the settings of one device will be automatically matched by all other devices in the same room
  • Boost function for immediate heating
  • 6 selectable programs and 13 different time settings per day enable room climate control that suits your lifestyle
  • Keypad lock.

Included in delivery

  • 1 x MAX! Radiator thermostat basic
  • 2 x 1,5 V LR6/Mignon/AA Batteries
  • 1 x plug for Danfoss RA valve
  • 1 x cylinder head screw M4 x 12 mm
  • 1 x Nut M4
  • 1 x Support ring
  • 3 x Quick Start Guide in DE/EN, FR/NL and PL/IT.

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Standard Delivery: 3 to 4 days


30 day money back guarantee


Secure and flexible payments


24 month free warranty