HH19ZH190 | 190F CO AUTO Limit Switch | Carrier

190F CO AUTO Limit Switch (HH19ZH190) by CarrierThis is a limit switch that is designed for use with carbon monoxide detectors. It is a normally open switch that closes when the carbon monoxide level reaches 190 ppm. The switch is rated for 120 VAC and 10 A. It has a 1/2" NPT female connection.This limit switch is ideal for use in commercial and industrial applications where there is a need to monitor carbon monoxide levels. It can be used to trigger alarms, ventilation systems, or other safety devices.The Carrier HH19ZH190 limit switch is a reliable and affordable way to protect your people and property from the dangers of carbon monoxide poisoning.Order yours today from our HVAC supply store! We offer the best prices and fast shipping on all of our products.