Harman & Heatilator Red Wire ESP Thermistor Probe Exhaust Sensor

Harman & Heatilator Exhaust Thermistor ESP Probe - OEM Quality

Harman & Heatilator Eco-Choice replacement red wire ESP thermistor probe. Meets or exceeds OEM standards. The ESP thermistor probe mounts in the exhaust tailpipe and provides temperature readings back to the control board for proper function and operation. We recommend routine inspection and cleaning of the ESP probe; video below will cover a general maintenance overview. Please be sure to check your current ESP probe wire color prior to ordering; serial number outlines will be under our model specs.

Correct for the Harman Absolute 43, Absolute 63, Accentra 52i, Accentra 52i-TC, Accentra FS, Accentra Insert, Advance, Allure 50, HydroFlex 60 (HF60), P35i, P43, P61, P61A, P68, PB105, PC45, PF100, PF120, XXV, XXV-TC, DVC 500, and Mark I. Also correct for Heatilator Eco-Choice BA100, BH105, BH60, and BIO-120 pellet boiler and furnace models.

Red Wire ESP Exhaust Thermistor Probe

Meets or Exceeds OEM Standards

Guaranteed Newest Stock Inventory

1 Year Manufacturer Warranty

• Installation: Mounts in the exhaust housing near the vent pipe connection. Clean with a scotch-brite pad or fine steel wool at least once per season. See our Installation video link in the description.

• Wire Color: There are 2 different thermistor ESP probes for the Harman line; one has a black wire, one has a red wire. You must order the same color thermistor probe as the one you are replacing. Please Note that the Black Wire ESP will also replace the early White Wire ESP Probe.

Model Notes

• Accentra Cast FS (Serial # 00840167 and higher)
• Accentra Insert (Serial # 008241201 and higher)
• Advance (Serial # 008360001 and higher)
• P61 (Serial # 008085055 and higher)
• P61A (Serial # 008085803 and higher)
• P68 (Serial # 008280309 and higher)
• PC45 (Serial # 008055031 and higher)
• PF100 (Models with Red ESP Wires)
• XXV (Serial # 008206292 and higher)
• DVC 500 (Serial # 008065076 and higher)
• Mark I (Models with Red ESP Wires)

Harman Pellet

• Absolute 43
• Absolute 63
• Accentra 52I
• Accentra 52i-TC
• Accentra FS (Accentra Cast)
• Accentra Insert
• Advance
• Allure 50
• HydroFlex 60 (HF60) Boiler
• P35I Insert
• P43
• P61
• P61A
• P68
• PB105 Boiler
• PC45
• PF100 Furnace
• PF120 Furnace
• XXV (25th Anniversary Model)
• XXV-TC

Harman Wood & Coal

• DVC 500
• Mark I

Heatilator Pellet

• BA100
• BH105
• BH60
• BIO-120

Our Guarantee:

• 100% Best Price Guarantee
• 100% Satisfaction Guarantee
• 100% On-Time Shipping Commitment
• Returns accepted within 30 days on products not used or installed

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