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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 Swimables Pentair Water Pressure Switch, model SW-41-060, is designed for use with MasterTemp and Max-E-Therm heaters. This essential component monitors and maintains the correct water pressure within the heating system, ensuring safe and efficient operation. Constructed from reliable, high-quality materials, the pressure switch offers durability and long-term performance. It’s a critical part for preventing overheating and protecting the heater from damage, thus extending the lifespan and maintaining the efficiency of your pool or spa heating system.
- Specifically Designed: Tailored for use with MasterTemp and Max-E-Therm heaters, ensuring compatibility and optimal performance.
- Critical Pressure Monitoring: Monitors and maintains the correct water pressure within the heating system, ensuring safe and efficient operation to prevent system failures.
- Durable Construction: Crafted from reliable, high-quality materials for long-term performance and resilience, even under continuous use.
- Prevents Overheating: A vital component in preventing overheating and protecting the heater from potential damage, thus extending the heater's lifespan.
- Enhances System Efficiency: Contributes to the overall efficiency of your pool or spa heating system by maintaining optimal pressure levels and ensuring smooth operation.
- (1) Swimables SW-41-060 Water Pressure Switch
- Pentair MasterTemp Heaters
- Pentai Max-E-Therm Heaters
- Pentair ETI 400 Heaters

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