Temperature control

A boiler that runs at "full steam" all day will only succeed in burning a hole in your pocket, leaving you hot under the collar. Unfortunately, you can take the heat out of the situation simply by installing Siemens thermostats in your room and on your hot water cylinder. The room thermostat ensures the temperature of your home is automatically adjusted to your own personal comfort level and switches the boiler off when that temperature is reached. The cylinder thermostat measures the temperature of the water stored in your cylinder, ensuring that it's just right for baths and washing up without wasting valuable fuel.   As an added comfort control, thermostatic radiator valves can be fitted which allow each room to have its own temperature setting.   Step 2, therefore, is fitting temperature controls. This can save as much as 20% on your fuel bill.


 

Programmable Room Thermostats

Our programmable room thermostats provide the perfect control. They combine elegant design and energy saving functionality.

RDE100 - Programmable Room Thermostat

RDE100 - Programmable Room Thermostat

  • Daily, weekday/weekend or 7 day programming

  • Comfort, economy and frost protection mode

  • Double insulated (no earth required)

  • Mains powered

RDE100.1 - Programmable Room Thermostat

RDE100.1 - Programmable Room Thermostat

  • Daily, weekday/weekend or 7 day programming

  • Comfort, economy and frost protection mode

  • Double insulated (no earth required)

  • Battery Powered

RDE100.1DHW - Programmable Room Thermostat with Domestic Hot Water Control

RDE100.1DHW - Programmable Room Thermostat with Domestic Hot Water Control

  • Daily, weekday/weekend or 7 day programming

  • Independent ON / OFF control of DHW

  • Operating modes: Auto, normal operation, energy saving and frost protection

  • Battery Powered

Headline

RDE100.1RFS - Wireless Programmable Room Thermostat

RDE100.1RFS - Wireless Programmable Room Thermostat

  • Daily, weekday/weekend or 7 day programming

  • Wireless Communication between Thermostat and Receiver

  • Operating modes: Auto, normal operation, energy saving and frost protectio

  • Battery Powered

REV24 7-day Digital Programmable Thermostat

REV24 7-day Digital Programmable Thermostat

  • Simple 7 day programming

  • Holiday programming

  • PID control self learning

  • Battery powered display allows programming "in hand"

  • Frost protection function

  • Ideal for combi boilers, underfloor heating and zoning

REV24RF/SET Wireless Digital Programmable Room Thermostat

REV24RF/SET Wireless Digital Programmable Room Thermostat

  • Features as per REV24 but with no wiring required, works on radio frequency

  • Comes complete with receiver REV-RO1/2

RDJ100

RDJ100

  • Room temperature control
  • TPI (PID) control
  • Large, easy to read LCD display
  • Double insulated (no earth required)
  • Large dial for settings
  • Daily programming
  • Battery powered
  • Volt free contacts
  • Ideal for combination boilers

RDJ100RF/SET

RDJ100RF/SET

  • Large, easy to read LCD display
  • TPI (PID) control
  • Double insulated (no earth required)
  • Large dial for settings
  • Manual override
  • Daily programming
  • Battery powered
  • Volt free contacts
  • Range 20 metres line of sight between transmitter and receiver

RAV11 Analogue Programmable Room Thermostat

RAV11 Analogue Programmable Room Thermostat

  • Simple programming

  • Easy to use time and temperature settings

  • PID control self learning

  • Battery powered

  • Frost protection

  • Ideal for combi boilers, underfloor heating and zoning

  • Daily operation RAV11.1

  • 7 day operation RAV11.7


 

Cylinder and Immersion Thermostats

Cylinder and immersion thermostats are offered in a variety of forms from the RAM range of cylinder thermostats to the RAK-T, RAK-S, RAZ-T and RAZ-S control and safety limit thermostats.


RAM1 Cylinder/Pipe Thermostat

RAM1 Cylinder/Pipe Thermostat

  • Bi-metallic

  • 15°C to 90°C

  • 15 Amp contacts

  • Ideal pipe thermostat up to 41mm diameter

  • 12 - 250 V

  • SPDT contacts

RAM1.T Cylinder/Pipe Thermostat

RAM1 Cylinder/Pipe Thermostat

  • Bi-metallic

  • 15°C to 90°C

  • 15 Amp contacts

  • Ideal pipe thermostat up to 41mm diameter

  • 12 - 250 V

  • SPDT contacts


 

Room Thermostats

We offer a complete range of room thermostats to suit your needs.


RAA21 Room thermostat

RAA21 Room thermostat

  • Gas filled diaphragm

  • 8 C to 30 C

  • 6 Amp contacts

  • AC 24 - 250V ideal for combi boilers

RAA11 Tamperproof double insulated room thermostat

RAA11 Tamperproof double insulated room thermostat

  • Gas bellows type operation (no neutral needed)

  • Double insulated (no earth needed)

  • Tamperproof

  • Changeover contacts can be used for heating or cooling

  • 24 - 250 V Ideal for combi boilers

RDD100 Room thermostat with LCD

RDD100 Room thermostat with LCD

  • Room temperature control
  • Comfort, economy and protection mode
  • 2 position control with on/off output
  • Mains powered
  • Ideal for combi boilers

RDD100.1 Room thermostat with LCD

RDD100.1 Room thermostat with LCD

  • Room temperature control
  • Comfort, economy and protection mode
  • 2 position control with on/off output
  • Mains powered
  • Ideal for combi boilers

RDD100.1RFS Wireless room thermostat

RDD100.1RFS Wireless room thermostat

  • Room temperature control

  • Comfort, economy and protection mode

  • Includes Radio Frequency Receiver for wireless transmission from Thermostat

  • Ideal for combi boilers

RDH100

RDH100

  •  Room temperature control
  • TPI (PID) control
  • Double insulated (no earth required)
  • Large easy to read display
  • Large dial for settings
  • Battery powered
  • Volt free contacts
  • Temperature setting range 5°C - 30°C

RDH100RF/SET

RDH100RF/SET

  • Large, easy to read LCD display
  • TPI (PID) control
  • Double insulated (no earth required)
  • Large dial for settings
  • Manual override
  • Battery powered
  • Volt free contacts
  • Range 20 metres line of sight between transmitter and receiver


 

Thermostatic Radiator Valves (TRVs)

Our range of thermostatic radiator valves allows you to individually control each radiator in your house to the level you require. The thermostatic head is of elegant design and has no slots or edges. The liquid filled head allows accurate control, meaning energy usage is kept to a minimum.


 

MTN51GB Thermostatic radiator valve and body

MTN51GB Thermostatic radiator valve and body

  • Liquid filled sensor

  • Reversible

  • 10/15mm

  • Set point limiting or locking

  • Frost setting

  • Meets CEN standard EN215

MTN51GBL Thermostatic radiator valve and body with 10mm push fit elbow MTN51GBL Thermostatic radiator valve and body with 10mm push fit elbow

MTN51GBL Thermostatic radiator valve and body with 10mm push fit elbow

  • Includes 10mm push fit elbow

  • Liquid filled sensor

  • Reversible

  • 10/15mm

  • Set point limiting or locking

  • Frost setting

  • Meets CEN standard EN215

Trade TRV

Trade TRV

  • Wax sensor offers sensitivity and accuracy

  • Reverse flow fitting allows installation in either flow or return without regard to head position

  • Comes complete with 10 and 15mm fittings

  • Temperature limiters

  • Frost protection setting

  • EN 215 approval

  • We recommend the installation of an auto by-pass valve to achieve maximum efficiency from the system (Part number BPV22)