The A70HA-1 is the current replacement for the Johnson Controls 2284-900 and the A19AAC-1

Designed specifically for Reznor gas-fired HVAC systems

The Hydrolevel 750 Low Water Cut-Off is a heavy-duty 120VAC safety control designed specifically for commercial and high-end residential steam or hot water boilers

ensuring controlled movement to prevent water hammer while maintaining system stability

Nordyne 921951 Evaporator Coil 320819-301 The A70HA-1 is the currentThe Nordyne 921951 Evaporator Coil is a critical OEM replacement component engineered for precision heat transfer in residential split systems and light commercial configurations. As a high performance HVAC evaporator coil, this unit features a robust copper tube and aluminum fin architecture, ensuring optimal thermal conductivity and field reliability. Designed for multi refrigerant applications, this Nordyne replacement coil is fully compatible with