Hayward H150FDN/P Universal H-Series Vertical Vent Adapter Unions all via a single fastener

all via a single fastener

This provides a cleaner

bugs and condensation

45LBS of PURE CHLORINE per day (imitations are just

'OM' designation indicates thru-wall

Hayward H150FDN/P Universal H-Series Vertical Vent Adapter Unions all via a single fastenerProduct Description Hayward Universal Forced Draft Negative Vertical Vent Kit Adapter for H150FDN and H150FDP. Hayward Item Code: UHXNEGVT11506 (Adapter Only) Features Genuine Hayward Vent Adapter. This vent adapter kit is to be used under negative pressure which is thru roof vertically. Hayward heaters require 1 square inch per 1,000 BTU of fresh air and combustion air supply. Please respect set backs on each side of heater when installed shed.