This comprehensive service valve kit features a 1 1/8 inch sweat (SWT) connection

It is intended for duct averaging sensor mounting

Can the A19EAF-2 be used to control a duct heater

or clogged filters—the switch breaks the electrical circuit to the gas valve

Resideo HZ322 Panel 321894-709 This comprehensive service valve kitThe Resideo HZ322 TrueZONE Panel is the industry standard solution for managing forced air zoning in residential and light commercial applications. This versatile 3 zone control board supports up to 2 stages of heat and 2 stages of cool for conventional systems, or 2 stages of heat and 1 stage of cool for heat pump configurations. Historically identified as the direct replacement for the Honeywell 6303, the HZ322 features a smaller footprint and an