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Glow-Worm 20040796 Outdoor Sensor

Product Type

Product Description

The Glow-worm Outdoor Sensor provides an added level of intelligence to the central heating system by monitoring the external temperature to the home and adjusting the heating output to better maintain the ideal internal temperature. The weather compensation allows the outdoor temperature to be communicated back to the central heating system and adjusting the flow temperature to the radiators to meet the users heating demands. The Outdoor Sensor can significantly help users to reduce their boilers fuel consumption by ensuring that the home is not over heated when the outside temperature increases and affects the internal temperature of the home. This ensures that low annual gas bills are maintained and the homes carbon emissions are reduced.

Key Features and Benefits:

  • Enables weather compensation
  • Wired sensor
  • Simple and discreet


At Boilers2go we recommend the Glow-worm Outdoor Sensor for use with all Glow-worm gas boiler models for increased energy efficiency and reduced gas bills and carbon emissions. Plus with the Outdoor Sensor the homes desired central heating requirements can be better maintained for improved comfort. 


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    The Keston Q37H LPG Regular Boiler is idea for large domestic properties, without a mains gas supply, with more than one bathroom and a high demand for hot water. the Q37H LPG Regular Boiler comes with weather compensation fitted as standard, helping to reduce fuel consumption by modulating the boilers heating output in response to changes to the outside temperature. Also the Q37H LPG Regular Boiler features twin thermostat capability making this a suitable choice for properties with underfloor heating and/or systems with multiple heating zones. A key feature of the Q37H LPG Regular Boiler are the top and bottom pipe connections offering flexibility and convenience when installing plus the twin pipe flue system which is compatible with standard 50mm PVC provides greater installation options. 

    Key Features and Benefits: 

    • User friendly LCD display
    • No compartment ventilation due to the very low casing temperatures
    • Two-stage frost protection
    • Pump and fan exercise during extended periods of inactivity
    • Full diagnostics and information display
    • Variable speed circulating pump for increased operating performance
    • Lockout “avoidance” technology to prevent nuisance lockouts
    • Top and bottom flow and return pipes
    • Keston Dual Stat facility allowing two different operating temperatures depending upon the source of the demand
    • Opentherm control connection for intelligent room control
    • Weather compensation as standard


    At Boilers2go we recommend the Keston Q37H LPG Regular Boiler for large properties, in off gas areas, with more than one bathroom and a high demand for hot water and heating.  Plus the Q37H LPG Regular Boiler comes with a 2 years manufacturer's warranty for added peace of mind. 

    Keston Q37H LPG Dimensions and Clearances 

  • Trianco Extension Duct W.U.




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