Burnham Low Water Cutoff (LWCO) IQ Option Card Kit (Auto Reset)

IQ LWCO Option Cards add a low water cut-off function to ES2, ESC, Series 3, and MPO-IQ Boilers. LWCO Option Cards plug into the IQ Option Panel and connect to the system-mounted sensor with a single-wire connection. IQ LWCO Option Cards feature built-in diagnostics, probe signal strength display, and include a 'Test' and 'Reset' feature in compliance with UL 353 and CSA 22.2 for CSD-1 Compliance in US and Canada. Kit Includes: IQ LWCO Option Card 3/4" NPT level sensor 36" wire sensor connector Instructions Major Features: UL 353 approved Displays signal strength Warns when probe cleaning required