Watts N50-D - Part of the N50 Series Z100F-4NH Z453-3NH-7B

Z453-3NH-7B

UPC - 098268452266

ZM400S-4NH

and the unit is available in multiple outlet sizes for installation flexibility

and industrial applications where a robust barrier is needed

Watts N50-D - Part of the N50 Series Z100F-4NH Z453-3NH-7BThis dual switch assembly low water cut off is used on heating applications for low pressure, process, hot water heater boilers to protect them against emergency low water conditions. It has a float chamber that has 1 inch NPT female top and bottom connections. This is a double switch assembly. It is for line voltage burner service and independent low (or high) voltage alarm, feed valve or pump starter. Features Used on low pressure process boilers