7″ ID Security ASHT Flue Extension (7XCA/7CA/7UP/7DTC-CA/7DTP-CA)

USD $61.33USD $65.25


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Product Description

These are genuine Security Duravent flue extension connectors.  There are two different flue extensions available from the drop down menu.  The 7CA works with chimney that has a 1″ insulated wall (ASHT & Duratech) whereas the 7XCA is certified for chimney with a 2″ insulated wall (Security Secure Temp S2100 & Duratech Premium).

Security Duravent Part Numbers: 

  • 7CA : ASHT & Duratech Chimney that has a 1″ Wall (Sometimes referred to as 7DTC-CA). This replaces old part number 7UP
  • 7XCA: Secure Temp 2100 & Duratech Premium Chimney that has a 2″ Wall.  This replaces old part number 7UP.

Part Description: The flue extension adapts the insulated chimney to either single wall or double wall smoke pipe.  The old part – 7UP – is no longer available and has been replaced by these two parts instead.


These genuine Security Duravent 7UP flue extensions are in stock ready to ship.

Shipping Dimensions

Weight 3 lbs
Dimensions 12 × 12 × 8 in
7CA or 7XCA

7CA (1" Wall Chimney), 7XCA (2" Wall Chimney)


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