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Sticker on the pump body (the part with the basket), not on the motor. Motor labels from Century, A.O. Smith or Regal won't match parts.
Label on the side of the tank near the base. Size is in sq ft, e.g. 420 sq ft = C4030 or CCP420.
Rating plate inside the front access panel. Note the BTU and gas type (NG or LP).
Molded into the body or printed on top. Robotic cleaners: on the power supply.
Still not sure? Call (818) 818-6559 and we'll find it for you.
77707-0077 | Pentair Metal Flue Collar For MasterTemp and Max-E-Therm Heaters | 4" x 8"
Fits these models (3)
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Goes with this part
CA P65 Warning: Cancer and reproductive harm. www.p65warnings.ca.gov
Other parts on the same Sta-Rite Max-E-Therm SR400NA Heater
The Pentair Metal Flue Collar 77707-0077 is an OEM replacement part designed for vertical venting in Pentair MasterTemp and Sta-Rite Max-E-Therm pool and spa heaters. Measuring 4 inches by 8 inches, this collar forms a strong, heat-resistant connection between the heater and the gas vent, ensuring proper exhaust flow and safe operation. Supplied with high-temperature silicone adhesive and screws, it creates a secure seal that withstands the constant thermal stress of heating systems. By maintaining safe venting, the collar helps protect heater components, preserve efficiency, and ensure compliance with safety requirements. Built to OEM Pentair standards, this flue collar offers the durability and reliability needed for long-term service in residential and commercial installations.
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OEM Exhaust Collar: Specifically designed for MasterTemp and Max-E-Therm heaters, ensuring a precise fit and reliable vertical venting.
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4x8 Vent Connection: Provides a secure, heat-resistant connection that supports safe and efficient heater operation.
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Broad Compatibility: Works across multiple heater models in the Pentair MasterTemp and Sta-Rite Max-E-Therm series.
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Durability Enhanced: Includes high-temperature silicone adhesive for added sealing strength, plus screws for a stable installation.
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Safe & Efficient Performance: Supports proper exhaust venting to maintain heater efficiency, prevent damage, and ensure long-term safety.
- (1) Pentair Metal Flue Collar
- (1) High Temp Silicone Sealant
- (2) Screws
- Pentair MasterTemp Heaters
- Pentair Sta-Rite Max-E-Therm Heater