Reporting Spacer
Keston 35 Combination Boiler ErP 355049
£1224.35 inc VAT
RRP £2,240.28 You Save £1,015.94
  Fulfilled by PlumbNation Express
  •   Parcel Tracking Service
  •   30 Day Returns
  •   Next Day Delivery
  •   Free Delivery
Learn More

The earliest delivery date may vary based on your postcode.

Keston 35 Combination Boiler ErP 355049

35kW ErP Condensing Combination Boiler

Keston boilers offer a very unique flue system. No expensive flue kits are required, just standard 50mm MuPVC solvent weld waste pipe. This offers cost effective and flexible installations. The boiler can be positioned up to 27 metres away from the flue outlet.

The Keston Combi boiler is fully modulating, and with its built-in weather compensation, it provides great energy savings, making it ideal for new builds or replacement installations.


  • Compact dimensions
  • Twin flue up to 25m*
  • 50mm MuPVC solvent weld flue allowing simple, cost effective installations
  • Inbuilt weather compensator
  • Low lift weight
  • Pre-fitted filling loop
  • Inbuilt frost protection
  • Fully modulating
  • On board diagnostics
  • Automatic bypass
  • Not LPG compatible

* For the maximum total equivalent flue length please refer to the installation instructions

Product Specification

Name Keston 35 Combination Boiler ErP 355049
Product Code 143493
MPN 355049
EAN 5060033550496
Type Combination
Warranty (Years) 2
Width (mm) 395
Height (mm) 700
Depth (mm) 278
Weight (Kg) 38
Weight Empty (Kg) 32
Output (Kilowatts) 35
Flow Rate (L/min) 14.5
Fuel Natural Gas
Mounting Wall Mounted
RRP £2240.28 You Save £1015.94