Lochinvar & A.O. Smith 100109978 Ignitor Assembly 320735-701 Contractors should note that CNT3457

Contractors should note that CNT3457 is frequently superseded by CNT03457

verify local codes and appliance specifications before substituting

Featuring a cross-ambient point range of 40 to 85 degrees Fahrenheit

The 16MB1B0 is specifically rated for 120V AC operation

measure the signal wire (white/green) to ground

Lochinvar & A.O. Smith 100109978 Ignitor Assembly 320735-701 Contractors should note that CNT3457The Lochinvar & A. O. Smith 100109978 Ignitor Assembly is a mission critical OEM component designed for precise ignition and flame rectification in high efficiency commercial gas water heaters and boilers. As a genuine 100109978 replacement part, this assembly integrates a high durability igniter element and flame sensor, a common configuration in the A. O. Smith BTN Series and various Lochinvar heating systems. For technicians out in the field, this