The Crown Verity N4-WC67 Low Water Cut-Off is a safety control device used in compatible steam and water-heating equipment. It monitors water levels within the system and interrupts operation when water drops below a designated level, helping protect internal components from damage caused by low-water conditions. This assembly features dual internal switches, normally open and normall... https://partsfe.com/n4-wc67-crown-verity-cut-offlow-water