Cap and Condensation Drain for Tee Piece

Cap and Condensation Drain for Tee Piece

Cap and Condensation Drain for Tee Piece



Holetherm stainless steel twin wall insulated flue systems.

Cap and Condensation Drain for Tee Piece for use as part of a flue system.

o 316 stainless steel inner, 304 stainless steel outer walls. High quality temperature resistant fibre matt between walls
o Tested and approved to BSEN-1856-1:2009
o Available in a wide variety of diameters - please contact us if you would like to order sizes other than 125mm and 150mm
o CE Marked
o Holetherm Twin Wall Flues is HETAS listed
o Comes with FREE locking band from Chimney Cowl Products

Holetherm stainless steel twin wall insulated flue systems.
Holetherm is a high quality all fuel chimney system manufactured in stainless steel (316 inner and 304 outer wall) to the highest quality standards. Insulation between the walls is provided by a high temperature resistant fibre mat.


The products are manufactured in an ISO 9001 certified factory and the system is CE marked and certified for use in all fuel systems when installed according to the fixing recommendations supplied with each item. Continuous laser welding of all key seams ensures an exceptionally high quality finish and reliability in construction and use. Additionally the system is tested and certified to BSEN-1856-1:2009 and is HETAS listed.


On going and substantial investment by the manufacturers in automated processing has resulted in highly competitive production costing and resultant value pricing for the customer. Widely regarded as one of the lowest cost and best value twin wall flue systems on the market
Construction and dimensions.

The system is assembled from a range of standard parts illustrated on this website. The push fit and locking band system has been tried and tested over more than 25 years and has been installed in over 100,000 homes in the UK and Europe.


Available in 5 standard internal diameters 125, 150, 175, 200 and 250mm and 4 made to order diameters 300, 350, 400 and 450mm. 125mm and 150mm and kept in stock and available for immediate delivery.

Twin Wall Systems Delivery

Twin Wall Systems will be delivered FREE of Charge on order over £250 (excluding VAT). On all orders below £250 a maximum cost of £8 + VAT will be calculated for delivery (this is regardless of the number of Twin Wall Flue Units you wish to purchase and you can order multiple units without effecting the cost of delivery to you).

Kindest regards

Chimney Cowl Products