Pentair Relay Kit Heater Dual | 520403
Dual-heater relay kit in the Compool parts table. Match the control wiring and supported heater interfaces. A relay kit is not a complete heater control system.Specifications and selection
Check the exact model and hardware revision in the complete instructions. A catalog entry does not prove universal firmware, app, network or electrical compatibility.Manufacturer resources
Pentair 520403 is the Compool Dual-Heater Relay Kit. Dual-heater relay kit in the Compool parts table. Match the control wiring and supported heater interfaces. A relay kit is not a complete heater control system. No. Match the exact part, control family, enclosure and hardware revision. Do not infer compatibility from a common brand, connector appearance or similar part number.Product FAQs
What does 520403 identify?
What should I check before ordering?
Will it fit every Pentair control system?
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Description
Description
Compool Dual-Heater Relay Kit
Pentair 520403 is the Compool Dual-Heater Relay Kit.
Check the exact configuration
Dual-heater relay kit in the Compool parts table. Match the control wiring and supported heater interfaces. A relay kit is not a complete heater control system.
Match the manufacturer part number, control model, enclosure and hardware revision before ordering. Similar appearance or a shared Pentair brand does not prove interchangeability.
Electrical service and installation must follow the complete manufacturer instructions and be performed by appropriately qualified personnel. This listing does not diagnose a control fault or authorize a change to safety circuits.
See the specifications, manufacturer resources and product FAQs for selection details.
Specifications
Specifications
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SKU
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Product Type
Product Warranty
Product Warranty
We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:
- Pentair Warranty
- A&A (Pentair In-Floor) Warranty
- Fluidra Warranty (Zodiac / Jandy / Polaris / Caretaker)
- Paramount Warranty
- BlueSquare Warranty
- Hayward Warranty
- All Other Manufacturer Warranties
Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.
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