Widely Compatible: 3-20-00744 Black Line ESP Exhaust Thermistor Probe, Compatible with Harman Pellet Accentra FS (Accentra Cast), Accentra Insert, Advance, P38 (P38+, PP38+), Invincible Insert, Invincible RS, P61, P61A, P68, PB105 Boiler, PC45, PF100 Stove, XXV (25th Anniversary); Suitable for Harman Wood & Coal DVC 500, Mark I, 44 Magnum; Suitable for Heatilator Pellet BA100, it is compatible with a variety of pellet stoves and coal stoves.
Replacement part numbers: 3-20-00744, 1-00-00744 and 3-20-11744.
Wire color tips: Esp thermistor probe 3-20-00744 is compatible with the Harman series, there are two different thermistor ESP probes with two types, one with black wires and the other with red wires. Please confirm that the wire color of the new probe is the same as the original when replacing. Please note: The black wire ESP probe is suitable for replacing all old black wire or black and white wire combination probes and early white wire ESP probes, model: called Rev F ESP probe - 3-20-11744.
Product packaging: The package contains 1 3-20-00744 black wire ESP exhaust thermistor probe, 1 matching screw and 1 matching nut for free. Please confirm your product model and wire color before purchasing.
Product Materials: The Black ESP Pellet Stove Temperature Probe is made of durable materials for long-term stability and reliability. It is a replacement for the Black ESP Thermistor Probe for Harman/ Heatilator Eco-Choice stoves. When the stove displays a three-flash fault code, the common cause is that the control board did not detect the ESP (exhaust sensor probe) during the startup phase, or the communication was interrupted during operation. It is recommended that you replace the ESP thermistor probe with a new one.
High quality: The thermistor probe is made of stainless steel and has the characteristics of high temperature resistance.
Installation Tips: The Black ESP Thermistor Probe is suitable for Harman Pellet Stove and is usually installed in the exhaust housing near the exhaust connection. The installation steps are relatively simple and help the stove operate normally and keep the room warm. It is recommended to clean the probe with a scouring pad or fine steel wool at least once each season to keep it in good condition.