IO Hvac Controls ZP6-EP Expansion Panel 320788-704 What is the difference between

What is the difference between Section IV and Section VIII ratings for this valve

Is this control suitable for outdoor use

a 14-inch lead length flame sensor rod

making it a staple for commercial and industrial steam heating systems

Can this be used for 240V circuits

IO Hvac Controls ZP6-EP Expansion Panel 320788-704 What is the difference betweenFor contractors managing larger residential or light commercial zoning projects, the iO HVAC Controls ZP6 EP Expansion Panel is the standard solution for scaling a system and adding zones to iO ZP6. This 3 zone module is specifically engineered to integrate with the iO ZP6 zone control panel via a simple ribbon cable connection, allowing for a seamless transition from a base 6 zone setup to either 9 or 12 zones by daisy chaining up to two expansion