Close

Manufacturers

Saunier Duval Isofast F35E Boiler Repair, Service & Efficiency Rating

78.6%

SAP seasonal efficiency

Summary

The Saunier Duval Isofast F35E has a SAP seasonal efficiency rating of 78.6%.

The Isofast F35E is a Non-Condensing Combi boiler with a maximum power output of 34.6kw that uses Gas as its fuel source.

We recommend that you upgrade to a new, more efficient boiler to help reduce fuel bills and carbon dioxide emissions. Get quotes for a new boiler today

Specification

ManufacturerSaunier Duval
ModelIsofast F35E
Fuel TypeGas
TypeCombi
MethodNon-Condensing
Flue TypeRoom-Sealed
FanFan Assisted
Output (KW)34.6 - 34.6
Boiler IDGC 47-920-18
Manufactured From/To2000 - current

Get a boiler service or repair by trusted experts

In partnership with

Choose one option

Boiler Repair

British Gas will get your broken boiler back up and running quickly.

  • Transparent prices including all parts and labour
  • 12-month guarantee on repair work
  • Speedy service by a local engineer

Boiler Service

British Gas has a nationwide team of expert engineers that are there to keep your boiler running safely and efficiently for just £99​​.

  • Inspecting your boiler and controls to make sure everything’s safe
  • Opening up your boiler to check internal components
  • Checking for corrosion and leaks in the boiler and your heating system
  • Cleaning the system filter and other parts, if needed
  • Giving you a boiler safety checklist plus advice on energy efficiency
In partnership with

Similar Boilers to the Saunier Duval Isofast F35E

(Non-Condensing Gas Combi)

Results ordered by efficiency. Some models may be obsolete.

Most Efficient Non-Condensing Gas Combi Boilers

Results ordered by efficiency. Some models may be obsolete.

sime Dewy 30/80 HE FS 91.3% Efficient
sime Dewy 30/130 HE FS 91.3% Efficient
Ravenheat HE 85A T LPG 91.2% Efficient
Ravenheat HE 85 A LPG 91.2% Efficient