Is this compatible with 3-phase units

and LB-74816B without the need for field modifications

Durable Construction: Built with high-grade materials to withstand the rigors of frequent heating cycles and industrial environments

If you are experiencing "hunting" or inability to shut off flow completely (internal leakage)

This kit is essential for contractors performing industrial heating system maintenance or complete unit rebuilds where material fatigue has compromised the original burner insulation

MARS 50355 Transformer R-22 Is this compatible with 3-phaseThe MARS 50355 Transformer is a heavy duty, foot mount solution designed for demanding HVACR control circuits. Engineering for versatile field replacement, this 40VA control transformer features a primary tap for 120V AC and provides dual secondary outputs of 24V and 12V AC. This multi tap configuration is essential for technicians servicing older refrigeration racks or specialized beverage equipment where dual voltage control signals are required.