Raypak 3-Wire IID Temperature Sensor | 009577F

Raypak SKU: RAY009577F
Raypak 3 - Wire IID Temperature Sensor | 009577F - Heater Parts - img - 1

Raypak 3-Wire IID Temperature Sensor | 009577F

Raypak SKU: RAY009577F
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Raypak 009577F 3-Wire Temperature Sensor IID Units

The Raypak 009577F temperature sensor is designed for select IID ignition gas pool and spa heaters. It monitors water temperature inside the heat exchanger and communicates with the control board for proper heating regulation and safe operation.

Key Features

  • 3-wire NTC type sensor designed for Raypak IID units.
  • OEM replacement part for accurate temperature feedback.
  • Helps trigger proper heating cycles and safe shutdowns if abnormal temperature is detected.
  • Designed for professional installation in residential and commercial pool heating systems.

Technical Details

  • Part Number: 009577F
  • Sensor Type: 3-wire NTC thermistor
  • Application: Inlet/outlet water temperature sensing in Raypak IID ignition heaters
  • Compatible Models: Includes, but not limited to, Raypak models 206A, 207A, 266A, 267A, 336A, 337A, 406A, 407A
  • Installation Method: Threaded sensor well port in heater heat exchanger

Installation & Compatibility Notes

Before replacing the sensor, shut off power and gas to the heater and allow it to cool. Ensure correct access to the sensor port in the heat exchanger or manifold. Apply proper thread sealant or tape if specified by the heater manufacturer. Once installed, restore power and perform a system test to verify proper temperature reading and control operation. Confirm that your heater model is listed as compatible before ordering.

Maintenance Tips

  • Inspect the wiring harness for signs of corrosion, loose connections, or damage.
  • Check the sensor well for adequate contact with the water flow path for accurate readings.
  • If a heater displays a “SNS” or sensor-fault code, replacing this sensor is a common fix.
  • Keep the area around the sensor clear of debris or scaling which can impede water contact.

Why Choose This Sensor?

The Raypak 009577F sensor is an essential component for maintaining safe and efficient heater operation in compatible gas heater systems. Using the correct factory-matching sensor ensures accurate feedback to the control board, supports reliable operation, and helps avoid premature heater shutdowns due to temperature errors.

Hours Of Operation: 

Monday - Friday: 8:00 am to 4:00 pm Phoenix Time

Saturday and Sunday: Closed

  • Orders costing more than  $300 WILL be required to have signature confirmation upon delivery.
  • Handling time is typically only 1 day.   
  • Any item ordered after 1pm Phoenix time, may not ship same-day.
  • Call us if you require expedited shipping and we can give you quotes based on your needs.

Return Policy:

  • All products, except as noted below, are eligible for return up to 30 days after receipt of item.
  • For returns, an RMA form must be filled out HERE or customers can call for additional help.
  • Shipping costs will be deducted from all returned items.
  • Any item that is missing accessories, original packaging, or is not returned in the same condition that it was received in, may be subject to a re-stocking fee up to 100% based on the condition we receive it in. 
  • Items broken, damaged, or inoperable due to installer error will not be refunded.
  • Fill out the return form or give us a call to obtain an RMA and return shipping label.
  • There are no returns on the Pentair Colorsync 618031
  • No returns on pool cleaners.
  • No returns on opened seals and o-rings.
  • No returns on capacitors.
  • If a light is returned because it "doesn't work" and it tests fine, the cost to ship and a re-stocking fee will be deducted from the refund.
  • All products denied upon arrival at customers house WILL be charged the cost to ship.
  • Visa Gift Card Promotions: Gift cards are sent within 14 days of the order. When accepting the Visa Gift card, you agree that if your order is returned or refunded, this amount will be deducted from the refunded amount. All Visa Gift cards are sent via email in an E-Gift Card format and are non refundable.