Fireflexmaster is a high performance twin-walled flexible flue liner designed and approved for use with all fuels including gas, oil and approved solid fuels.
|Fuel type||Gas, oil and approved solid fuels|
|Diameter range:||100mm, 125mm, 150mm, 175mm, 200mm|
|Inner liner material||0.1mm grade 316L stainless steel|
|Outer casing material||0.1mm grade 316 stainless steel|
|Joint method||Triple lock joint system|
|Designations||BS EN 1856-2 T600 N1 D VmL40022 G|
BS EN 1856-2 T600 N1 W VmL40022 G
BS EN 1856-2 T600 N1 D VmL70022 G
BS EN 1856-2 T600 N1 W VmL70022 G
|Maximum operating temperature||600°C negative pressure|
Fireflexmaster Lifetime Warranty FAQ
How do I register for Lifetime Warranty?
All Fireflexmaster liners will now have a standard LIFETIME WARRANTY. Warranty registrations are now automatic, you don’t need to complete any complicated forms. Your invoice confirms you purchased the liner from Docherty Group and a copy is required when requesting warranty service.
If you have misplaced your invoice, you can easily print a copy from your web shop account by accessing “My Account” and locating the order under “My orders”.
Did Fireflexmaster’s warranty coverage change recently?
Yes, Fireflexmaster’s warranty terms changed in 2017. The coverage types are as follows:
Flexible flue liners purchased before 31 December 2016 are covered by the following warranty:
- 10 years conditional warranty for Fireflexmaster 316 liner
- 20 years conditional warranty for Fireflexmaster 904liner
Flexible flue liners purchased after 1 January 2017 received an automatic Lifetime Warranty. No warranty registration is required.
How to claim Warranty Service
Contact your local Docherty branch quoting your original order number or invoice number