Lochinvar & A.O. Smith 100277799 Probe 324846-701 This unit features a versatile

This unit features a versatile 20 to 100 PSI pressure range and an open low operation (opens on pressure drop)

Broad Refrigerant Versatility: Fully compatible with HFCs and HFO blends like R448A/R449A

it provides the consistent arc necessary for reliable pilot or main flame initiation in immersion burners and air heating applications

What fuse does this board require

Lochinvar & A.O. Smith 100277799 Probe 324846-701 This unit features a versatileThe Lochinvar & A. O. Smith 100277799 Probe is a critical safety component engineered for precision low water cut off (LWCO) monitoring in high efficiency commercial and residential heating systems. Designed to integrate seamlessly with the Lochinvar FBL and FBN series boilers, this probe detects the presence of water via conductivity to prevent dry fire conditions that cause catastrophic heat exchanger failure. As a veteran technician knows,