the B1370133 switch is the direct aftermarket furnace air switch alternative to older part numbers like B1370138 and B13701-33

Connection is simplified via a barbed fitting for 1/4-inch O

Engineered as a direct replacement for 1175622

When replacing this assembly

ASCO 400127-225 Coil 318518-761 the B1370133 switch is theThe ASCO 400127 225 Coil is a high performance 110 120VAC replacement coil engineered specifically for the ASCO 400 Series solenoid valves. Designed to maintain the integrity of industrial fluid control systems, this solenoid valve coil features a robust Class B insulation rating, ensuring thermal stability and efficient electrical conversion during continuous duty cycles. Operating at 50 60Hz frequency, the 400127 225 provides the precise