H000334 Raypak 5450, 6450, 8450; 9350, 9353, 10353, 10354, 10355 Heat Pump Coil Temperature Sensing 10K Thermistor Sensor 7/8 inch Tube
Fast Overview
- OEM Replacement: Genuine RAYPAK H000334 thermistor sensor in a 7/8′ Tube assembly.
- Sensor Type: 10K Thermistor used for coil/temperature sensing in Raypak heat pump pool heaters.
- Exact Fit For Models: 5450, 6450, 8450; 9350, 9353, 10353, 10354, 10355.
Key Features & Benefits of H000334
- Accurate Temperature Feedback: 10K thermistor design delivers stable, responsive readings to the control board for reliable heating performance.
- 7/8′ Tube Form Factor: Sized and formed to seat correctly in Raypak heat pump coil locations for proper thermal transfer.
- OEM Build Quality: Manufactured to Raypak specifications for fit, finish, and long-term durability—no guesswork.
- Plug-In Replacement: Designed to integrate with existing Raypak control electronics; no modifications required when replacing the same style sensor.
Confirmed Compatibility
Heat Pump Pool Heater Series:
- Classic/TI Series: 5450, 6450, 8450.
- Later Series: 9350, 9353, 10353, 10354, 10355.
Tip: If your unit uses a 3/8′ Tube thermistor, Raypak specifies H000333 instead. Verify tube size before ordering.
Technical Specifications
- Part Number: H000334 (Raypak OEM)
- Function: Coil / Thermistor Sensor (Temperature Sensing)
- Resistance Type: 10K Thermistor (NTC)
- Mechanical Size: 7/8′ Tube assembly for sensor placement in coil area
- Typical Use: Feeds coil/ambient temperature data to Raypak digital controls to regulate heat pump operation
Common Symptoms Of A Failing Sensor
- Heater runs erratically or won’t achieve set temperature
- Control panel shows sensor-related faults or shuts down under normal conditions
- Intermittent cycling despite correct water flow and chemistry
Installation Notes
- Safety First: Disconnect power at the breaker before service.
- Match Tube Size: Confirm your original sensor uses the 7/8′ Tube; some models/serial ranges use 3/8′ (H000333).
- Seal/Seat Properly: Install the sensor fully into the tube location per your model’s Illustrated Parts List (IPL).
- Controller Check: After installation, clear faults and verify correct temperature reading on the control.
What’s In The Box
- 1 × RAYPAK H000334 – Thermistor Sensor, 7/8′ Tube (OEM)
Cross-References & Also Known As
- Thermistor Tube 7/8′ – H000334 (Raypak Illustrated Parts)
- Sometimes listed as Coil Sensor 10K 7/8′ by distributors
Why Buy From A Raypak-Authorized Source
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Genuine parts ensure compatibility with Raypak control logic and mechanical fitment, reducing callbacks and warranty issues.
Please note that certain manufacturers - including but not limited to Pentair® (TradeGrade products), Jandy®/Fluidra® (Trade Series Exclusive products), and Hayward® (Expert Line products) - do not honor manufacturer warranties for specific products purchased online.
We sells only brand new products; however, we do not provide any warranty coverage ourselves, nor do we guarantee manufacturer warranty eligibility.
It is the sole responsibility of the purchaser to verify whether a product qualifies for warranty coverage prior to making a purchase.
We strongly recommend contacting the product manufacturer directly to confirm warranty eligibility.
By completing your purchase, you acknowledge and agree that we are not liable for warranty coverage or support if the manufacturer refuses to honor the warranty based on their policies.
We sells only brand new products; however, we do not provide any warranty coverage ourselves, nor do we guarantee manufacturer warranty eligibility.
It is the sole responsibility of the purchaser to verify whether a product qualifies for warranty coverage prior to making a purchase.
We strongly recommend contacting the product manufacturer directly to confirm warranty eligibility.
By completing your purchase, you acknowledge and agree that we are not liable for warranty coverage or support if the manufacturer refuses to honor the warranty based on their policies.
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