ELESTA RAF 1B Analog Heating Controller and Weather-Compensated Room/Boiler Regulator
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The ELESTA RAF 1B is an analog heating controller and weather-compensated room/boiler regulator, often co-branded or used in legacy heating setups (such as Hoval-Elesta systems) dating from the 1970s through the 1990s.
Overview & Function
- Type: Heating control unit / analog temperature regulator.
- Application: Used to manage central heating systems, mixing circuits, and boiler temperatures based on outside and indoor sensor inputs.
- Compatibility: Frequently paired with outdoor sensors and immersion/contact probe sensors (such as FEE series units) in older residential and commercial boiler rooms.
ELESTA RAF 1B Analog Heating Controller and Weather-Compensated Room/Boiler Regulator

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