For PPs material, use the 6" transition / adaptor fitting (Sch 40 to PPs) offered by the respective
PPs manufacturers Centrotherm / InnoflueTM (their part # ISAAL0606) or M&G Dura Vent /
PolyProTM (# 6PPS-06PVCM-6PPF [10004281]), (# 4PPs-AD). For PPs material exposed to
outdoor weather, follow the venting supplier’s recommendations on UV protection.
For SS material, use the 6" transition / adaptor fitting offered by the SS manufacturers M&G
Dura Vent (# FSA-6PVCM-6FNSF [300538]) or Heat Fab (Saf-T-Vent) 9601PVC.
Warning
Ensure that you lubricate the gasket with silicone grease before inserting the venting
material. Fully insert the approved venting material into the boiler's exhaust outlet,
and tighten clamp to ensure the venting connection is locked in place (as shown
below).
Figure 11 Securing the vent connection
Venting must be supported in accordance with the applicable code and instructions supplied by
the manufacturers.
Warning
Do not mix PPs venting materials from different manufacturers. These venting
materials are designed to be installed as part of a complete system. Failure to comply
may result in severe personal injury or death.
3.5.4 Vent travel
PVC/CPVC (Schedule 40), PPs (Rigid Single Wall), or SS approved piping are the standard
venting options that can be sited up to 120 equivalent feet from the vent termination.