25-inch internal diameter (ID)

while the dry contact output provides versatile control for auxiliary equipment

This board supports up to 4 zones but is easily expandable up to 10 zones using MZA zone-adder panels

this unit is built with high-temperature resistant optics and housing to withstand the 100

providing a rigid connection point for armored or flexible conduit

Robertshaw 712-009 Ignition Kit Refrigerant 25-inch internal diameter (ID)Designed for heavy duty commercial and high capacity residential systems, the Robertshaw 712 009 Ignition Kit is a complete intermittent pilot solution engineered for natural gas applications. This field proven kit features the 780 845 Lockout Ignition Control, which utilizes flame rectification solid state logic to provide 90 seconds of spark followed by a strategic six minute purge cycle if ignition is not immediately achieved. For maximum safety,