Pellethead Replacement Harman & Heatilator Vacuum Pressure Differential Switch

Pellethead Replacement Harman & Heatilator Vacuum Pressure Differential Switch 3-20-6866

Top Quality Aftermarket Part. Fits The Following Models: Absolute 43- Absolute 63- Accentra 52I- Accentra 52i-TC- Accentra FS (Accentra Cast)- Accentra Insert- Advance- Allure 50- HydroFlex 60 (HF60) Boiler- P35I Insert- P38 (P38+, pp38+)- P43- P61- P61A- P68- PB105 Boiler- PC45- PF100 Furnace- PF120 Furnace- XXV (25th Anniversary Model)- XXV-TC