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5 in stock
Replacement differential / pressure switch for Harman and Heatilator Eco Choice pellet stoves. Also, known as a vacuum switch. Fits the following HHT pellet stove models:
Harman Pellet Stoves:
Heatilator Eco-Choice Pellet Stoves:
Harman Part # 3-20-6866
Replaces Harman part number 3-20-9301 and 3-20-3433.
OEM Harman Part