This RS232 to RS485 communication converter supports daisy-chained networks up to 4

For systems requiring emergency or auxiliary heat (2H/1C)

it automatically adjusts the refrigerant metered flow

This valve is designed to interface directly with Johnson Controls VA9104 and VA9203 series non-spring return or spring return actuators

This rebuild kit is specifically engineered for the ASCO 8214 AC Series 2-way normally closed gas valves

Trane VAL10492 Expansion Valve 324846-701 This RS232 to RS485 communicationThe Trane VAL10492 expansion valve, also identified by the industry designation BBIZE 6 GA B30, is a high precision thermostatic expansion valve (TXV) designed for consistent refrigerant flow control in high capacity air handling units and split systems. This externally equalized expansion valve is critical for maintaining the correct superheat across the evaporator coil, preventing liquid slugging while ensuring maximum heat transfer efficiency.