Watts 0226060 Dual Switch Low Water Cut-off SAN89D

The Watts 0226060 Dual Switch Low Water Cut-off is the safety part that should be used in hydronic heating and cooling system. This is a dual switch low water cut-off for the protection of boilers, chillers and other vital HVAC equipment from the effects of low water damage. This small part has two separate buttons which turn on when the water level in the system is low. The first switch gives an alarm to the system operator concerning the low water situation. The second switch is used to turn off the system if the water level continues to reduce, to avoid things like overheating and dry firing.