Hayward Negative Pressure Vertical Indoor Vent Kit, 5" x 6", for H150 | UHXNEGVT11506 Spa Lighting Designed for natural gas or

Designed for natural gas or propane use

Verify B-121 compatibility before installation to ensure proper OEM replacement

Waterway Plastics offers engineering consistency across components

This gasket is typically replaced during burner cleaning or combustion chamber service

Hayward Negative Pressure Vertical Indoor Vent Kit, 5" x 6", for H150 | UHXNEGVT11506 Spa Lighting Designed for natural gas orWhat This Part Is Used For The Hayward UHXNEGVT11506 is a negative pressure vertical indoor vent kit for compatible Hayward heaters, listed for H150 applications. It includes a 5 inch x 6 inch transition as noted in the product name. This kit is used to route heater exhaust vertically in an indoor negative pressure venting setup. Why This Part Matters Correct venting is critical for safe heater operation and reliable draft. An incorrect kit can cause