Dual Furnace Pressure Switch Assembly – Honeywell BA420123 & BA4

Dual Furnace Pressure Switch Assembly – Honeywell BA420123 & BA420128 Condition: Used/like new Manufacturer: Honeywell Model Numbers: BA420123 and BA420128 Type: Dual Air Pressure Switch Assembly (with Hose & Mounting Bracket) Electrical Rating: 24V AC, 50/60 Hz Pressure Ratings: BA420123: 1.00" WC Positive Pressure BA420128: 1.35" WC Positive Pressure Max Pressure: 0.5 PSI Orientation: Vertical Mount Configuration: Two switches on shared metal bracket, factory hose included Country of Assembly: Mexico Key Features: Dual switch design for two-stage furnace operation Provides precise airflow and draft verification Factory-calibrated Honeywell OEM components Durable housing with quick-connect terminals Includes original mounting bracket and pressure tubing Compatible Replacement Models: Honeywell BA420100 Series Trane, Lennox, and Goodman two-stage furnaces Suitable for high-efficiency gas furnaces using 1.00" & 1.35" WC draft sensing Common Applications: Dual-stage or variable-speed gas furnaces Inducer motor and burner pressure control systems Residential and light commercial HVAC systems Condition: Used - Like new For Sale By: Owner Curbside pick up: Yes Cash accepted: Yes