Carrier LH680030 Ignitor Kit Els PW 29614 The most common causes are

The most common causes are soot accumulation

or restricted flue venting rather than a faulty switch

The SPDT setup allows you to switch power between two different circuits using a single common terminal

Common Questions How many S352AA-2 modules can be added to a single P352 control

Carrier LH680030 Ignitor Kit Els PW 29614 The most common causes areThe 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