Comfort and control when you need it

Amptec electric flow boiler provides hot water to your wet central heating system. Amptec is suitable for pressurised or open vented systems and with no flue or heat wasted up the chimney, Amptec is 99.8% efficient.

Compact and unobtrusive, Amptec works with standard radiators, programmers, circulating pumps, room thermostats and thermostatic radiator valves, to heat water for radiator or underfloor heating systems. Amptec is available in a range of kW sizes and is ideal for extensions, loft conversions, conservatories and garages where space is at a premium.

Lightweight and compact design

Lightweight and compact design

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Diagnostic reporting for product status and fault finding

  • Controllable, efficient wet central heating
  • Uses standard radiators, programmer, pump, room thermostat and thermostatic radiator valves
  • Suitable for pressurised or open vented systems
  • Models available for underfloor heating systems
  • Domestic hot water from boiler in conjunction with an indirect cylinder or separate direct cylinder
  • No flue and no fuel tanks means flexible installation location
  • With no flue, no heat is wasted up the chimney, making Amptec electric flow boilers 99.8% efficient
  • Compact and light weight for ease of installation
  • Compact dimensions - small and unobtrusive
  • Silent in operation
  • The boiler has a front panel indication to show boiler state
  • Solid state technology with no moving parts for long life
  • Soft start and zero volt switching to avoid power surges
  • Min / max control adjusts the water temperature output from the boiler
  • Minimal service and maintenance costs
  • No requirement for annual safety certificate
  • Two year on-site parts and labour warranty
  • Designed, engineered and manufactured in the UK

  • amptec

View product specification

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Product Height  Width  Depth  Weight Rating ErP rating Order code
mm mm mm kg kW
Amptec C400 Standard 1050 90 90 7.3 4 D 95:022:001
Amptec C600 Standard 1050 90 90 7.5 6 D 95:022:002
Amptec C900 Standard 1050 90 90 7.5 9 D 95:022:003
Amptec C1100 Standard 1050 90 90  7.5 11 95:022:004
Amptec C1200 Standard 1050 90  90  7.5 12 95:022:005
Amptec U401 Underfloor 1050 90  90  8.5 95:022:101
Amptec U601 Underfloor 1050 90  90  8.5  6 95:022:102
Amptec U901 Underfloor 1050 90  90  8.5  9 95:022:103
Amptec U1101 Underfloor 1050 90  90  8.5  11 95:022:104
Amptec U1201 Underfloor 1050 90  90  8.5  12 95:022:105


Order Code

Relay RL1


Relay RL2


Relay RL3


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At Heatrae Sadia we understand that you should never put a price on comfort. Our products are designed with the highest quality of materials and we lead the market with our engineering expertise. Whilst we don't sell our products direct to the trade, we are the only leading manufacturer to have our entire product range stocked by all the leading merchants.
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