the 626352R rollout switch ensures that the system remains locked out following a trip

an isolation relay may be required to properly manage the 24V zone valve wiring and prevent feedback to the transformer

The coil acts as the electromagnetic trigger

Also identified as the Lochinvar SWT1000

particularly if the system does not already have one installed from the factory

IO Hvac Controls IO-Nizer Ion Generator 321894-706 the 626352R rollout switch ensuresThe IO HVAC Controls iO Nizer is a high performance duct mount ion generator engineered to enhance residential and commercial indoor air quality by neutralizing sub micron contaminants. This needlepoint bipolar ionization (NPBI) device targets nano particulates and respiratory irritants that standard filtration often misses. By creating a high density plasma field, the iO Nizer Ion Generator causes fine particulate matter to agglomerate into larger,