Replacement thermistor probe (ESP Probe) for Harman and Heatilator Eco-Choice pellet stoves. This is the probe with two (2) red wires. Fits the following models:

Harman Pellet Stoves:

• Absolute 43
• Absolute43-C
• Absolute 63
• Accentra Cast FS (Serial # 00840167 and higher)
• Accentra Insert (Serial # 008241201 and higher)
• Accentra 52i
• Accentra 52i-TC 
• Advance (Serial # 008360001 and higher)
• Allure 50
• HF60
• P35i Pellet Insert
• P43
• P61 (Serial # 008085055 and higher)
• P61A (Serial # 008085803 and higher)
• P68 (Serial # 008280309 and higher)
• P42i-TC
• PB105
• PC45 (Serial # 008055031 and higher)
• PF100 (Red Wires)
• PF120 (Red Wires)
• XXV (Serial # 008206292 and higher)
• XXV-TC

Harman Coal Stoves:

• DVC 500 (Serial # 008065076 and higher)

Heatilator Eco-Choice Pellet Stoves:

• BH60
• BH105
• BA100 (Red Wires)

Harman part # 3-20-00844
Comparable aftermarket part available here
OEM HHT part

May fit other models, please check your owner's manual for part number compatibility.