By Hayward Pool Products
Part # HDXFHFA004
The Hayward HDXFHFA004 is an exhaust vent adapter designed for use with the Hayward HDF series heaters, particularly the HC Series. It's compatible with Hayward models such as the HDF275 and HDF400, and serves as a critical part for venting the heater properly. The adapter fits 4-inch vents and ensures the safe and efficient operation of the heater by directing exhaust gases away from the unit.
