Navien 30014367A Backflow Damper Collar Kit For NPE Series Water Heaters, NHB-110 and -150 Series Heating Boilers

Description

Backflow Damper Collar Kit, Type: Common Vent, For Use With: NPE Series Water Heaters, NHB-110 and -150 Series Heating Boilers

Features

• Required accessory for cascading and common venting to enable common vent of up to 8 units in cascaded systems
• Systems can be cascaded up to 16 units but will require 2 trunks of up to 8 units each for common venting
• Not required for existing installations

Resources

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