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
Low Water Cut Off Control PSE-801-120 Probe Style Auto Reset 120 Volt