Pentair Sta-Rite Metal Flue Collar for MasterTemp Max-E-Therm Heater, 4"x 6" | 77707-0076

Pentair Metal Flue Collar Kit, 4" x 6" (Vertical Vent, Negative Pressure) | 77707-0076

The Pentair 77707-0076 is a replacement metal flue collar kit used on select Pentair pool and spa heaters to create the correct vertical vent connection at the top of the heater. It transitions the heater’s flue outlet to a 4" x 6" vent collar size and is commonly specified for MasterTemp and Sta-Rite Max-E-Therm applications where this part number is listed on the heater parts diagram.

Key Features

• 4" x 6" metal flue collar for the specified heater vent outlet configuration
• Vertical venting, negative pressure collar style (application-specific)
• OEM-fit replacement to restore proper vent attachment after damage, corrosion, or service work
• Helps ensure the vent connection is secure and properly aligned to the heater top

Compatibility

• Pentair MasterTemp pool and spa heaters (where 77707-0076 is specified)
• Sta-Rite Max-E-Therm pool and spa heaters (where 77707-0076 is specified)
• Tip: Heater venting parts vary by model, BTU size, and vent configuration. Confirm by your heater’s parts diagram and existing collar dimensions.

Specifications

• Brand: Pentair
• Part Number: 77707-0076
• Part Type: Metal flue collar kit
• Collar Size: 4" x 6"
• Venting Orientation: Vertical (application dependent)
• Quantity: Sold individually

What’s Included

• Metal flue collar (4" x 6") for the specified heater configuration
• Any included mounting/sealing components as supplied with the kit (contents can vary by packaging)

Installation Notes

• Pool heater venting work should be performed by a qualified technician and must follow local codes and the heater installation manual.
• Inspect the existing vent pipe and connection area for corrosion, deformation, or improper sizing before reassembly.
• Confirm the vent run, clearances, and termination meet the manufacturer’s requirements for your specific heater model.

Related Products

• Search Aqua Pool Supply for 77707-0076
• MasterTemp venting parts
• Max-E-Therm venting parts
• High-temperature RTV silicone (heater vent sealing)
• Stainless mounting hardware
• Heater gaskets and seals

Maintenance Tips

• During seasonal service, visually inspect the flue collar and vent connection for corrosion, looseness, or heat damage.
• Keep the heater area clear of debris and ensure venting is not obstructed to maintain safe operation.
• If you ever notice exhaust odor, soot, or discoloration around the vent connection, shut the heater down and have the venting inspected.