Lochinvar & A.O. Smith 100112148 Switch 322056-301 50/200 Degree Temperature Range

50/200 Degree Temperature Range

this valve features a 3/4" x 3/4" NPT connection

and 104003000

If the noise is caused by a cracked hub

this model is specifically designed for hot water heating systems

Lochinvar & A.O. Smith 100112148 Switch 322056-301 50/200 Degree Temperature RangeThe Lochinvar & A. O. Smith 100112148 Switch is a critical safety component designed for high efficiency water heaters and boilers. As a normally open pressure switch, it monitors negative air pressure created by the combustion air blower, ensuring the unit only proceeds to ignition once a proper draft is established. This genuine OEM replacement part is engineered to meet 2" WC specifications, providing the precision required to prevent hazardous gas