5-ton R-410A scroll compressor designed for high-efficiency residential and light commercial air conditioning and heat pump systems

use the AT150A series or a different multi-tap model

Technicians should inspect the existing Hot Surface Igniter (HSI) and flame sensor for cracks or wear and replace them as needed during the burner swap

While commonly found in commercial Trane systems

ASCO K3A451V Valve 318423-701 5-ton R-410A scroll compressor designedThe ASCO K3A451V is a heavy duty 2 way normally closed (NC) gas shutoff solenoid valve engineered for critical applications in commercial and industrial combustion systems. This high performance 3 4 inch NPT valve is optimized for low pressure environments, managing a maximum pressure of 1 2 PSI with a high flow capacity of 9. 5 Cv. Built with a rugged die cast aluminum body, the K3A451V provides reliable on off control for burners, boilers, and