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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.
On the Jandy VS PlusHP 2.7 HP Variable Speed Pump diagram
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Other parts on the same Jandy VS PlusHP 2.7 HP Variable Speed Pump
The OEM Jandy Diffuser O-Ring R0558701 is a genuine replacement part designed for Jandy JHP and PHP series pool and spa pumps. This O-ring ensures a watertight seal between the diffuser and the pump housing, preventing leaks and maintaining optimal pump performance. It is compatible with pump models ranging from 0.75 HP to 2.5 HP. Regular inspection and replacement of the diffuser O-ring are recommended to uphold the efficiency and longevity of your pump system.
- Genuine Jandy replacement – Designed specifically for Jandy JHP and PHP series pool and spa pumps for a perfect fit.
- Watertight sealing – Ensures a secure seal between the diffuser and pump housing to prevent leaks.
- Optimizes pump efficiency – Maintains proper water flow and pressure for reliable performance.
- Durable construction – Made from high-quality materials to withstand pool chemicals and extended use.
- Supports regular maintenance – Recommended for periodic inspection and replacement to extend pump lifespan.
- (1) Jandy Diffuser O-Ring
- Jandy JHP and PHP Pumps 0.75 HP to 2.5 HP
Note: This O-Ring may be compatible with your pump, please refer to your systems owners manual to ensure compatibility




