Restore your heater's heat exchange capability with the Pentair Tube Sheet Coil Assembly 474971, a comprehensive replacement kit built for Pentair MasterTemp 125 heaters. This assembly arrives with a coil sealing o-ring kit and all supporting hardware, giving you everything required for a thorough heat exchanger overhaul. Measuring 18-1/2 inches long, 10-1/2 inches tall, and 18-1/2 inches wide, this kit is dimensioned to slot directly into the designated heater compartment. Each component is manufactured to withstand the intense thermal and chemical conditions inside pool and spa heaters, delivering lasting performance and dependable heat transfer.

Key Benefits

• Full Overhaul Package: Ships with a coil sealing o-ring kit and all necessary gaskets and hardware, providing a one-order solution for heat exchanger replacement.
• Exact-Fit Engineering: Dimensioned at 18-1/2" L x 10-1/2" H x 18-1/2" W to match the MasterTemp 125 heater compartment precisely.
• Precision-Matched Compatibility: Purpose-built for Pentair MasterTemp 125 heater models, ensuring correct alignment and secure installation.
• Heat-Resistant Construction: Every component is engineered to endure the extreme temperatures and chemical exposure typical of pool and spa heating environments.

What's Included

• Pentair Tube Sheet Coil
• Pentair 77707-0011 Blower Adapter Plate Gasket Kit
• Pentair 77707-0054 Igniter and Gasket Kit
• Pentair 474952 Combustion Chamber Gasket Kit (9 nuts and 9 washers)
• Pentair 77707-0008 Insulation Kit
• O-Rings

Compatibility

• Pentair MasterTemp Heater Models: 125

Specifications

• Brand: Pentair
• Part Number: 474971

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