With a NEMA 48 frame and a standard 1/2-inch shaft diameter

meeting stringent OEM specifications for reliability under heavy electrical loads

using genuine York replacement sensors is non-negotiable for system communication and preventing the performance lag often associated with aftermarket alternatives

Unlike some smaller kits

or horizontal positions

Laars Heating Systems R0457502 Igniter 318172-701 With a NEMA 48 frameWhen you are troubleshooting a Laars Heating Systems R0457502 Igniter failure, you need a high integrity hot surface igniter that can handle the rapid thermal cycling of high efficiency pool and spa heaters. This OEM Laars replacement part is the specific silicon nitride igniter assembly engineered for Jandy JXi and JXiQ series heaters, covering models 200, 260, and 400. Unlike generic alternatives that brittle under stress, the R0457502 features a