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the Viton (FKM) seal is specifically chosen for its compatibility with light oils and various chemicals that would degrade standard Buna or EPDM seals
What fuse does this board require
Featuring a robust aluminum body and resilient NBR seals
Use a gauge to confirm the 25-75 psi range
Lochinvar & A.O. Smith 100277799 Probe 324846-701 the Viton (FKM) seal isThe 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,