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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.
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On the Pentair MasterTemp 125 461059 Heater diagram
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Other parts on the same Pentair MasterTemp 125 461059 Heater
The Pentair 77707-0008 Insulation Kit is a must-have for pool and spa heaters. Compatible with Pentair MasterTemp and Sta-Rite Max-E-Therm heaters, it replaces worn insulation to maintain peak performance. By retaining heat, it boosts energy efficiency and prolongs the heater's lifespan, ensuring your pool or spa stays warm efficiently.
- Enhanced Performance: Replace old insulation with the Pentair 77707-0008 Insulation Kit to ensure optimal performance for your pool or spa heater.
- Energy Efficiency: By retaining heat inside the heater, this insulation kit helps maximize energy efficiency, saving you money on heating costs.
- Extended Lifespan: Prevent undesirable heat loss and prolong the life of your pool or spa heater, providing reliable warmth for years to come.
- Pentair BTU MasterTemp Heaters: 461058, , 460730, 460732, 460734, 460736
- Pentair Sta-Rite Heaters: SR200NA, SR333NA, SR400NA, SR200LP, SR333LP, SE400LP
Note: This Kaowool Insulation may be compatible with your heater, please refer to your systems owners manual to ensure compatibility.

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