Description
Replacement metal flue collar for indoor vertical venting on Sta-Rite Max-E-Therm 200 (SR200) heaters – Pentair 77707-0076. It adapts the heater’s exhaust outlet to a listed negative-pressure metal gas vent for a secure vertical connection. OEM part for indoor installations only; use with negative-pressure B-vent systems, not horizontal or positive-pressure runs.








