Welcome to Kirkby Components

Kirkby Components are a leading nationwide distributor of a wide range of products and services for the domestic, commercial and industrial markets.

With over 40 years trading you will benefit from our centralised distribution centre, national contact centre and experienced team of people.

New Products Here At Kirkby Components

Siemens RDS110

To control heating applications in apartments, single family homes, dormitories, and
other residential as well as commercial spaces.


● Backlit, auto-dimming 90 mm color LCD touch screen for intuitive local operation
● Mobile app for smartphones
● Self-learning algorithm with PID response
● Green leaf button for energy-optimized operation
● Air quality indication via built-in sensor
● Operate automatically following a scheduler
● Multifunctional inputs for window contacts, remote sensors, etc.
● Two relay outputs for heating equipment, humidifier, dehumidifier or domestic hot
water boiler
● Satisfy EU.BAC certification level AA for Home Control and Class IV according to
the Eco design directive


The RDJ100RF is a programmable digital room thermostat from Siemens, replacing the RDJ10RF. Please note the non programmable version is the RDH100RF, which replaces the RDH10RF.


● Automatically pairs with the receiver if signal is lost
● Large, easy to read LCD display
● On/off control
● Double insulated (no earth required)
● Large dial for settings
● Manual override
● Daily programming
● Battery powered
● Volt free contacts
● Range 20 meters line of sight between transmitter and receiver