The nominal size is 10 x 9

commonly found in AHU heating and cooling loops

featuring straightforward terminal labeling for 4-wire or 5-wire configurations and compatibility with most residential split systems and package units utilizing O or B reversing valves

How do I set the proper gap on these electrodes

Crown Engineering 380-01061 Electrode R-134A The nominal size is 10The Crown Engineering 380 01061 is a critical dual ignition electrode engineered specifically for the Cleaver Brooks Clearfire boiler series. As a veteran technician knows, maintaining precise spark gap and insulation integrity is paramount for consistent burner light off and flame signal stability. This Clearfireflame dual unit is designed to withstand the high temperature environment of mantle burners, including CFC, CFH, M5M, and CFLC models. By