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 8 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.