Flexiheat Manuals & User Guides
Flexiheat UK supplies high-quality, energy-efficient boilers, water heaters, and air curtains for residential, commercial, and industrial applications.
About Flexiheat manuals on Manuals.plus
Flexiheat is a leading UK supplier of comprehensive heating solutions, specializing in energy-efficient boilers, water heaters, and industrial unit heaters.
Their product lineup includes electric hot water boilers, gas-fired condensing unit heaters, and advanced air curtains designed for both commercial and residential environments. Built for reliability and efficiency, Flexiheat products are tailored to meet rigorous industrial standards while providing optimal climate control.
Flexiheat manuals
Latest manuals from manuals+ curated for this brand.
FLEXIHEAT TMS-UT-0924-T01-0 Thermo Max Electric Boilers Instruction Manual
FLEXIHEAT 250523 DX and W Unit Heaters Instruction Manual
FLEXIHEAT FHARX25 Gas Fired Condensing Unit Heaters Instruction Manual
FLEXIHEAT LEO HD S Water Fan Heater Instruction Manual
FLEXIHEAT FHEB 70-100kW Electric Hot Water Boiler Owner’s Manual
FLEXIHEAT G Series Air Heaters Instruction Manual
FLEXIHEAT EIWH36 Electric Instantaneous Water Heater User Manual
FLEXIHEAT 300 Ecodense Cell Condense User Manual
FLEXIHEAT Thermo-Combi Electric Boiler Instruction Manual
Flexiheat Thermo Extra 28-96kW: Installation and Use Manual
Flexiheat Thermo Max Industrial Electric Boilers: Installation & Operation Guide
Flexiheat FHEL Electric Boilers: User and Maintenance Manual
Flexiheat FHM Range Boilers (FHM3/FHMN3) Installation and Technical Manual
Flexiheat Commercial Fan Heater Installation and Operating Manual
Thermo Max Electric Boilers Installation and Technical Manual | Flexiheat UK
Flexiheat FH Series Water Heater Installation and Maintenance Manual
96kW Thermo Extra Electric Boilers
SFKG 200 Floor Standing Gas Condensing Water Heater
FHEB 120-240kW Electric Boiler
IH-AR 40K Industrial Condensing Low NOx Warm Air Heaters
FHEB 120kW Electric Hot Water Boiler
FHEB 50 Electric Hot Water Boiler
FHEB 50 Commercial Electric Boilers
R1KG High Power Commercial Gas Boilers
TMS-UT-1216-Z01-7 Thermo Max
SFKA 28-150 Series Gas Fired Condensing Storage Water Heaters
CV-R Vitreous Enamelled Steel Tanks
ACF 24 P Heating Water HVAC Systems
Flexiheat support FAQ
Common questions about manuals, registration, and support for this brand.
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Where can I find the identification details for my Flexiheat boiler?
A serial or identification number is printed on the boiler's identification label. This information is required for every interaction with the manufacturer or when booking an authorised service call.
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How often should I service my Flexiheat electric boiler?
An initial inspection of the device's electrical contacts should be performed 3 months after starting operation, as elements can loosen during transport. After this, regular maintenance should be performed every 6 months by a qualified professional.
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Do Flexiheat boilers have built-in frost protection?
Yes, models like the Thermo Max feature built-in frost protection. If the boiler is not actively used during the winter, the main power should be left on so the system can automatically protect against freezing if the water temperature drops below 8°C.
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Can Flexiheat unit heaters operate in highly humid environments?
Standard Flexiheat unit heaters should not be used in areas where the relative humidity exceeds 95% or if the air dust concentration is above 3mg/m3.