NTC Sensor fits DeLonghi Space Heaters, 5225310031

Negative Temperature Coefficient (NTC) Sensor | Replaces DeLonghi® 5225310031

Restore accurate temperature monitoring and safe heating performance with this brand‑new NTC Sensor. Designed to replace DeLonghi® part number 5225310031, this sensor helps regulate internal heater temperature, ensuring efficient operation and preventing overheating. Ideal for fixing heaters that shut off prematurely, fail to heat properly, or display temperature‑related errors.

Product Features:

• ✅ Direct replacement NTC temperature sensor for select DeLonghi® space heaters
• ️ Provides accurate temperature feedback for safe heater operation
• OEM‑style connector for easy, secure installation
• Durable construction designed for long‑term reliability
• Condition: Brand New – Unused

Replaces Part Numbers:

5225310031
Always confirm compatibility using your heater model number before purchase.

✅ Fits Models:

TRDX41025E, TRDX40820E, TRD50615ECA, TRD50615E, TRDX40820E, TRDX41025E, TRDX41025E, TRDX40615E.G, TRDX40615E.G, MDH15-BK, MDH12-BK, MDH09-BK, MDH09-PB, MDH15-BK, MDH15-BK '16, MDH09-BK '16, MDH09-PB '16, MDH15WIFI-BK, MDH12-BK '17, MDHU15-BK, MDHU09-BK, MDHU12-BK, MDHU09-BK 3FINS '19, MDHU15-BK 5FINS '19, MDHU15-PB 5FINS, MDHU09-PB 3FINS '19, MDHU12-PB, MDHAA15WIFI-BK, MDHAA12WIFI-BK, MDHAA09WIFI-BK, MDHS12-BK, MDHS12-PB, RHJ65L0915, RHJ65L0712
Please verify your model number to ensure proper fitment.

Common Fixes:

• ❌ Heater shutting off unexpectedly
• ⚠️ Incorrect temperature readings or overheating
• Heater not warming up or cycling improperly
• ️ Error codes related to temperature sensing

️ Installation Tips:

• Unplug heater and allow it to cool before servicing
• Access internal control area to locate the existing NTC sensor
• Disconnect wiring harness and remove mounting hardware
• ✅ Install new sensor securely and ensure wiring is fully seated
• Test heater to confirm accurate temperature regulation

⚠️ Compatibility & Installation Disclaimer:

This NTC sensor is intended for use only with the compatible DeLonghi® heater models listed above. Buyer is responsible for verifying fitment before purchase. Installation should follow manufacturer guidelines or be performed by a qualified technician. Seller is not liable for damage, improper installation, or injury resulting from incorrect use.

Accurate sensing. Safe operation. OEM‑style NTC sensor replacement for DeLonghi® space heaters.