Description: HARMAN & HEATILATOR PRESSURE SWITCHAftermarket OEM Quality Replacement Harman and Heatilator Eco-Choice vacuum differential switch, part number 3-20-6866. The replacement vacuum differential switch is used in all Harman pellet stove models, the Harman Mark I coal stove model, and Heatilator Eco-Choice boiler and furnace models including the BA100, BH105, BH60, and BIO-120.Also referred to as the negative pressure switch or low draft switch, the vacuum differential switch senses air pressure in the firebox and exhaust flue vent pipe. The vacuum switch is in-line with the auger feed motor and will not allow the auger motor to run if it is tripped or faulty. Any air losses or air blockages can trip the vacuum switch. When experiencing issues with this safety switch, check the following: vacuum switch hose/tubing, firebox door and ash door gasket seals, ash accumulation in the stove or venting, air intake channel, combustion blower/exhaust fan functionality. OEM Quality Vacuum Pressure Differential SwitchGuaranteed Newest Stock Inventory1 Year Manufacturer WarrantyIncluded: Vacuum Switch Sensor Only. Please see our related listings for the replacement hose.Function: This Vacuum Sensor Pressure Switch detects pressure in the exhaust chamber and vent piping as well as the firebox and fuel hopper. This switch will shut down the auger feed motor if the exhaust is blocked, exhaust fan is weak, ash blockage in the unit or venting, gasket seals are not tight around the door, ash pan or fuel hopper lid.Harman PelletAbsolute 43Absolute 63Accentra 52IAccentra 52i-TCAccentra FS (Accentra Cast)Accentra InsertAdvanceAllure 50HydroFlex 60 (HF60) BoilerP35I InsertP38 (P38+, PP38+)P43P61P61AP68PB105 BoilerPC45PF100 FurnacePF120 FurnaceXXV (25th Anniversary Model)XXV-TCHarman Wood & CoalMark IHeatilator PelletBA100BH105BH60BIO-120 Our Guarantee:100% Best Price Guarantee100% Satisfaction Guarantee100% On-Time Shipping CommitmentReturns accepted within 30 days on products not used or installedOver 30 years of trusted value and commitment to customers.Save. Green. Why Choose Pellethead? On-Time ShippingUSA Retail LocationsUnmatched Warranty – No HasslesLive Tech SupportWe have over a 99.5% on-time shipment rate. Get your products on-time or before the estimated delivery date.We are not fly by night online Retailers that will be here today and gone tomorrow.We stand behind every product we sell with our no hassle warranty.We offer tech support for every single product we sell. Have an issue, have a question? No problem give us a ring.ExperiencedQuality Affordable PartsPellethead Ash Vault ProPellethead Smokin Po BoyWe have been in business 30 years, we are pellet stove specialists. Period.We service our customers stoves, and provide you with the same quality parts.Check out the only ash vacuum made by pellet stove professionals in a corded and cordless option.Want to cook pizza in 3 minutes? Check out the Pellethead Smokin Po Boy.
Price: 23.81 USD
Location: Dale, Wisconsin
End Time: 2024-12-07T20:02:24.000Z
Shipping Cost: 0 USD
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Item Specifics
Return shipping will be paid by: Seller
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Return policy details:
Brand: Pellethead
Type: Vacuum Differential Pressure Switch
Manufacturer Warranty: 1 Year
Model: See Description
MPN: 3-20-6866
Fuel Type: Pellets, Corn, Coal
