Pentair Stack Flue Sensor Replacement Pool and Spa Heater Electrical Systems | 42002-0024S

Pentair Stack Flue Sensor Replacement

Replacement stack flue sensor for Pentair pool and spa heater electrical systems. Monitors flue temperatures to support safe operation.

Features

• Replacement flue temperature sensor for Pentair heaters
• Designed to help maintain safe combustion and control
• Durable construction tolerates thermal cycling and heater conditions

Description

The Pentair Stack Flue Sensor is engineered to replace worn or malfunctioning stack temperature sensors in compatible pool and spa heaters. By providing accurate flue temperature feedback to the heater’s control system, it supports proper combustion control and safety shut-downs when needed. Ideal for maintenance and repair to restore heater performance.

Pro Tip

Check the flue sensor’s wiring harness and mounting bracket for corrosion or looseness during replacement to prevent intermittent faults.

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.