The Series PSE-800-M Manual Reset LWCO is a new addition to the McDonnell & Miller probe type low water cut-off group of products. These controls are 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 requirements of ASME Standard CSD-1.
Green power on and red LWCO LEDs|Self-cleaning probe|No lock out with loss of power if probe is in water|Provisions to add water feeder of alarm|7000 Ohm probe sensitivity|85% (non-condensing) humidity
McDonnell & Miller Low Water Cut-Off, Electronic, Series: PSE-800, 24 VAC, 32 to 120 deg F, 160 psi, Automatic Reset, 50 VA, 2-7/8 in Width, 5-13/16 in Height