this 1-ton capacity TXV is built to resist corrosion and ensure long-term reliability in harsh environments

the 1/8" NPT back mount connection allows for streamlined installation on control panels

this is a vapor-stage regulator

Its durable internal construction is built to withstand commercial-grade cycle counts

The spring return direction is field-selectable

Nordyne 901818 Combustion Chamber 320788-704 this 1-ton capacity TXV isThe Nordyne 901818 Combustion Chamber is a critical replacement component designed for Intertherm and Miller gas fired furnaces. This heavy duty assembly is engineered to withstand high thermal stress and contain the burner flame efficiently within the heat exchanger. As a direct OEM replacement part, it ensures proper fitment and maintains the factory specified pressure drops required for safe combustion. Technicians often source the 901818 chamber