Worcester Greenstar Condensfit II Installation Instructions Manual page 12

Installation
Elbow connections example (90° elbow)
Flue extension into a 90° elbow (vertical orientation  figure 24)
▶ Slide the support clamps [3] onto the flue extension.
▶ Fit the extension piece [4] into the 90° elbow using the silicone
grease provided as a lubricant. Working from the appliance, secure
the support clamps [3] to its wall bracket to take the weight of the
flue.
▶ Drill two holes, 180° apart, though the outer flue tube of the
extension and secure with the screws [2] provided.
Flue extension into a 90° elbow (horizontal orientation  figure 24)
▶ Working from the appliance, support the flue extension with elbow
using the support clamps [5].
▶ Slide the support clamps [3] onto the flue extension.
▶ Fit the extension piece [4] into the 90° elbow using the lubricant
provided. Working from the appliance, fit the support clamps [3] to
their wall brackets to take the weight of the flue.
▶ Drill two holes, 180° apart, though the outer flue tube of the
extension and secure with the screws [2] provided for all assembled
joints.
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Fig. 24 Elbow connection examples (90° elbow)
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Extension and fixed flue connection examples
Additional extensions ( figure 25)
▶ Working from the appliance, support the first extension flue using the
wall brackets and support clamps [1]. Drill and secure using the two
screws provided.
▶ Slide the support clamps [3] onto the next flue extension using the
silicone grease provided as a lubricant.
▶ Fit the extension [4] into the previous extension using the lubricant
provided. Fit the wall bracket and support clamps [3] to take the
weight of the flue.
▶ Drill two holes, 180° apart, through the outer flue tube of the
extension and secure with the screws [2] provided.
Fixed flue into flue extension ( figure 25)
▶ Working from the appliance, support the flue extension using the wall
bracket and support clamps [1].
▶ Fit the fixed flue [5] into the flue extension using the lubricant
provided.
▶ See section 4.1 "Installing the fixed flue through the wall" for
installing the fixed flue through a wall.
▶ Drill two holes, 180° apart, through the outer flue tube of the
extension and secure with the screws [2] provided.
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Fig. 25 Extension and fixed flue connection examples
Greenstar Condensfit II – 6 720 874 391 (2019/04)
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