you may need an auxiliary transformer to prevent overloading this primary control unit

This genuine OEM component is a 4 blade 22 inch fan blade designed with a steep 30-degree pitch to optimize static pressure and maximize airflow in high-demand HVAC condenser fan motor applications

preventing "hot spots" and extending the life of the heat exchanger

For wiring versatility

The Field Controls 01952701 is a 12-inch Model M+MG2 barometric draft control designed for heavy-duty commercial or residential applications

Conbraco 20-101-00 Gauge 320074-702 you may need an auxiliaryThe Conbraco 20 101 00 Gauge is a professional grade standard pattern water gauge designed for reliable liquid level verification in commercial and industrial boiler systems. Engineered with a durable rough bronze body (ASTM B584), this 3 8" NPT water gauge set includes a 5 8" OD x 10" length standard glass tube and two copper guard rods to prevent glass breakage in high traffic mechanical rooms. This unit is specifically rated for 125 PSI at 350F and