Rapid 25 Plus

Rapid 25 Plus

6 year warranty on parts and labour
Less parts, more reliability
ErP compliant as high efficiency pump is fitted as standard
Built-in expansion vessel
Built-in digital time clock

Energy label AEnergy label A XL

  • 25 kW power
  • CW4

Rapid 25 Plus

With just 12 component, including 4 moving parts, the Rapid 25 Plus offers less maintenance, lower service costs and greater reliability. All the parts in the Rapid are easily accessible as the boiler case is removed from the front, and with the built-in expansion vessel, there is no need to use a jig.


Our Customer Service team is at your disposal to answer all your questions and provide technical advice, if that’s what you need. You can call us on 01527 888000, Monday – Friday, between 8.00 am and 5.00 pm. Saturday morning between 8.00 am and 12.00 pm.

Or ask your question in the contact form below.

Background grey Discover the Rapid
Article number 049937
Signature Output 25
Safety Class IP44
NOx Class 5
NOx Level < mg/kWh 60
Nom. input rating (lower value) kW 7.10 - 23.70
Rated Power kW 7.70 - 23.10
Maximum CH water temperature °C 90
Nominal load lower value tap water kW 7.10 - 28.00
DHW threshold l/min 2
DHW Flow Rate at ΔT 25°C l/min 15
DHW Flow Rate at ΔT 35°C l/min 11.20
DHW temperature (factory setting) °C 55
Maximum DHW water pressure bar 8
Minimum DHW water pressure inlet bar 0.20
Height mm 810
Width mm 450
Depth mm 270


  • Brochure Intergas Rapid


  • New service procedure (28.84 MB)
  • Operation instructions Rapid
  • Installation manual Rapid


  • Y plan diagram (Rapid, HRE, Eco RF)
  • X Plan diagram (Rapid, HRE, Eco RF)
  • X Plan diagram (Rapid, HRE, Eco RF) low voltage option V2
  • Underfloor diagram (Rapid, HRE, Eco RF)
  • S Plan diagram weather compensated (Rapid, HRE, Eco RF)
  • S Plan diagram (Rapid, HRE, Eco RF)
  • Warranty Terms and Conditions
  • Gas boiler commissioning checklist
  • Product fiche Intergas Rapid

Energy label

  • Energy Label Intergas Rapid 25