Pentair 4 in. x 6 in. Metal Flue Collar | 77707-0076 Junction Boxes Checking the part number printed

Checking the part number printed on the existing ring or cross-referencing the skimmer body's exploded diagram in your equipment manual is the fastest way to confirm the correct fit

check the label on your filter tank or the original installation manual to confirm your unit is a 2009 or later build before ordering

CMP Brilliant Wonders® 48" LED Pool Waterfall with 1-1/2" Back Port

Also known as: AS100P

Pentair 4 in. x 6 in. Metal Flue Collar | 77707-0076 Junction Boxes Checking the part number printedThe Pentair Metal Flue Collar (77707 0076) is the OEM replacement 4 inch x 6 inch venting adapter designed specifically for negative pressure vertical venting installations. IMPORTANT: LICENSED PROFESSIONAL INSTALLATION REQUIRED Gas and electrical heater components must be serviced by a licensed pool professional or qualified HVAC technician. Do not attempt to service gas or high voltage components without proper certification. This metal flue collar