McDonnell & Miller Low Water Cut-Off Probe, PSE-801-120 LWCO

McDonnell & Miller PSE-801-120 LWCO Series Low Water Cut-off Probe. This control can be used as the secondary LWCO on steam boilers and can be used as the primary LWCO on hot water heating boilers.

With a self-cleaning probe, available only on McDonnell & Miller probe type controls, which reduces probe maintenance to once every five years instead of annually. Manual reset models meet requirments of ASME Standard CSD-1.

Features:
Lockout Delay
CSD-1 Code Compliance
Power Interruption
Test Button
“Green” Power On & “Red” LWCO LED’s