Lochinvar & A.O. Smith 100233613 Bulbwell 323613-751 Reliable Snap-Action Contacts: Designed for

Reliable Snap-Action Contacts: Designed for long-cycle life

Rugged Construction: Built to handle the continuous cycling demands of commercial HVAC water systems

How do I diagnose a faulty Nordyne flame sensor

The most common sign is the furnace lighting for 2–5 seconds and then immediately shutting down (cycling)

Lochinvar & A.O. Smith 100233613 Bulbwell 323613-751 Reliable Snap-Action Contacts: Designed forThe Lochinvar & A. O. Smith 100233613 Bulbwell is a critical OEM replacement part designed for high precision thermal monitoring in commercial and residential hydronic systems. This immersion well features a 3 8" NPT connection with a . 210" ID, specifically engineered to house and protect temperature sensors and bulbs from direct fluid contact. By facilitating rapid heat transfer while maintaining a pressure tight seal, the 100233613 ensures that