Operational Reliability: Includes a new plunger assembly and core spring to prevent solenoid humming or rattling

The 78H4001 is often the bulk or service part number used for the same 6-ton valve assembly

essential for HVAC troubleshooting

this 5 5/8-inch diameter wheel provides the precise static pressure required to prove the pressure switch and initiate the ignition sequence

Maxitrol 210GZ-3 Regulator 30067439-890 Operational Reliability: Includes a newThe Maxitrol 210GZ 3 is a high capacity 3 inch NPT gas regulator engineered for precision fuel air ratio control in industrial and commercial combustion systems. Utilizing a zero governor balanced valve design, this unit excels in maintaining a consistent delivery pressure despite fluctuating inlet pressures, making it a critical component for pre mix burners and atmospheric configurations. Rated for a 5 PSI maximum inlet pressure, the 210GZ 3