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Simple, straightforward and low shipping rates for these Takagi venting products.
Q. "I live in a very cold area and sometimes it freezes. Would I need a backflow preventer?"
A. Yes. A backflow preventer is essential in installations where chilled air could cause the heater to freeze, including indoor installations. And, as always, confirm with a trusted local professional that you have checked for all possible ways to keep your tankless heater from freezing.
Q. "Why do I need a vertical firestop?"
A. A vertical firestop needs to be installed whenever a vent passes through a combustible floor or ceiling to prevent the vent from becoming a way for fire to spread. As always please confirm your local code requirements with the proper authorities.
Q. "I'm replacing some sections of older vent pipe. Can I just add this onto my existing venting material?"
A. While some venting systems may work with together, it is not recommended to mix and match. Also, if you find you need to replace one section, other sections may need to be replaced soon as well.
Q. "Will Nova venting products work with other brands of water heaters?"
A. Nova's line of gas venting products are designed to work with many brand tankless water heaters that require Catagory III vent piping.
Q. "Will this 4-inch diameter vent pipe work on all sizes and models of Takagi tankless water heaters, regardless of BTU and so on?"
A. Except where noted as designed for a specific unit, these 4-inch diameter gas venting components will work with all sizes and models of Takagi heaters, though which components are appropriate will vary depending on the installation. Please consult with a licensed installer and your local code enforcement agency when installing and venting tankless water heaters.
Q. "Can I use PVC to vent tankless water heaters?"
A. No. The temperature of the exhaust is too high to safely use PVC as venting material. We never recommend PVC as venting even where the ideal exhaust temperatures would technically allow it due to a much higher incident of dangerous issues associated with PVC venting on poorly-maintained gas tankless water heaters.
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