RAS-D2 TRV Pack

RAS-D2 radiator thermostats are designed for use in 2-pipe domestic heating systems like designer radiators or towel rails.
All RAS-D2 Combi Packs comprise of a RA-FS bi-directional valve and a RAS-D2 sensor designed for 2-pipe heating systems.
Combi Packs are also available with a RLV-D lockshield valve. For further data on the lockshield valve please see separate RLV-D data sheet.
The valves have a ½” BSP (R½”) tail piece connection to the radiator and include 8mm, 10mm and 15mm compression fittings to connect the valve to the pipe work. The valve bodies are reversible and bi-directional and include a flow-selectable feature to ensure trouble free installation without any risk of water hammer.
The valve is supplied with a protective cap, which can be used for manual regulation during the construction phase. The cap must not be used as a manual shut off device.
RAS-D2 sensors incorporate a “Frost Protection” setting and a “Positive Off” feature for maximum user flexibility. Temperature range is from 8°C to 28°C.