Furnace Control Module JS L37-928Part No. JS L37-928
Single-rod or dual-rod systems
LED diagnostics and field-adjustable ignition timings.
Control voltage: 24VAC @ 60 Hz |HSI electrical voltage: 120VAC |Prepurge: 32 seconds |Warmup: 34 seconds |Number of ignition trials: Single or 3, field selectable |Trial for ignition: 4 seconds or 7 seconds, field selectable |Between trial purge: 96 seconds (with three trials selected)