Calendar Tuesday, December 01, 2020
Home Products Boiler Upgrades

Combi Boiler Upgrades

Fixed price combination boiler upgrades from ultra gas

We at Ultra gas have put together fixed price combination boiler upgrade packages together with some of our most popular boilers.

The price is for a boiler to mounted on an external wall with a horizontal flue, assuming close proximity to a soil waste water pipe gully ECT in order to safely dispose of the condensate waste. A maximum of 3 meters of gas pipe up grade is included in this price.

Note they may be an extra charge if we have to use a vertical flue, and for unusually long gas pipe runs.


Boiler Upgrades Efficiency Rating Warranty Price
Baxi Duotec 24 HE A 2yrs £1,745
Potterton Gold A 3yrs £1,795
Worcester 24i Junior A 5yrs £1,945
Worcester 28i Junior A 5yrs £2,045
Vaillant 24 Eco-Tec Pro A 5yrs £1,895
Vaillant 28 Eco-Tec Pro A 5yrs £1,995
Viessmann 100w-26kW A 5yrs £1,920
Viessmann 100w-30kW A 5yrs £2,020


Each of these upgrade prices comes with:

  • 5 thermostatic radiator valves plus 7 lock shield valves
  • Power flush heating system using a power flushing machine
  • 1 room thermostat


Optional extras for each of the above systems include:

  • Extra thermostatic radiator valves £ 15 each
  • Wireless programmable room thermostat extra £80
  • New radiators to be fitted at the same time max size 600mm * 1400 double £120 each.


Are your radiators past there sell by date?

We at ultra gas can supply and fit 5 new radiators at the same time as upgrading your heating system for a fixed price of £ 400
Extra radiators at £80 each

Note the maximum length of the above radiator must not exceed 1.6 meters and maximum total Btu’s must not exceed 25,000 Btu’s. The above price is for replacing existing radiators only  and not for adding additional radiator to the system.

::::: Privacy Policy ::::: Terms & Conditions ::::: FAQ's ::::: Testimonials ::::: Site Map :::::