Carrier LH680030 Ignitor Kit 30067439-890 The Functional Devices PSH100A100AB10 is

The Functional Devices PSH100A100AB10 is a high-performance encased dual 100VA power supply designed for rigorous building automation and HVAC industrial control applications

With its secondary LED indication for both switch and relay status

this element is often utilized in systems converted to R-407C or R-422D due to similar pressure-temperature characteristics

For field testing and maintenance

Carrier LH680030 Ignitor Kit 30067439-890 The Functional Devices PSH100A100AB10 isThe Carrier LH680030 120V Ignitor Kit is a critical service component designed for high reliability ignition in compatible Carrier gas furnaces. Built to withstand the rigorous cycling of modern heating systems, this hot surface ignitor serves as the authorized 120V replacement for legacy LH33WZ059 ignitors. For a veteran HVAC technician, this kit is the standard solution for resolving common "furnace not heating" service calls where the flame sensor