What is the proper flow direction for the Emerson EK-304

this 2-inch mini flame rod provides rapid and accurate flame presence detection

this unit is specifically rated for 277V AC

If the switch remains open even after the system has cooled

it’s designed for efficiency

Weil McLain 510-312-279 Blower Wheel 30067439-890 What is the proper flowThe Weil McLain 510 312 279 Blower Wheel is a critical combustion component engineered specifically for VHE Series 1 through 3 gas boilers. For technicians troubleshooting draft inducer assemblies or airflow failures, this 5. 72" x 2" stainless steel blower wheel provides the necessary corrosion resistance to handle high temperature flue gases and moisture. Unlike standard galvanized wheels that often succumb to oxidation in high efficiency systems,