Description
This centric increaser allows to increase SW (single wall) Innoflue 3″ to 4″. Suitable for vertical installation only.
Features:
- Innoflue SW (Single Wall) is the only polymer vent system on the market listed to UL 1738
- Accepted and approved by over 50 North Amercian manufacturers of boilers, water heaters and furnaces
- Suitable for natural gas, propane and fuel-oil condensing and non-condensing (flue temp. below 248°F) appliances
- All parts (pipe, fittings, etc. – both black and grey) are UV resistant and suitable for indoor or outdoor installation
- Requires no primer/glue and does not leach chloride like PVC & CPVC
- Costs less and is faster and easier to install than stainless steel venting, no special tools needed, zero clearance to combustibles
- Industry-leading 2mm wall thickness
- Built-in gasket allows for adhesive-free installation which can be adjusted at any time
- May be installed through a wall, chimney, chase or between joists
- Lightweight, requires minimal support
- Made in the USA from environmentally-friendly PolyPropylene (PP).
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