a significant deviation indicates it is time for a replacement

Does this control require a manual reset after a lockout

LC1D18G7 is the cross for XTCE015B10A

and water ingress

Lochinvar & A.O. Smith 100110901 Window Observation 326070-701 a significant deviation indicates itUpgrade your system monitoring with the Lochinvar & A. O. Smith 100110901 Window Observation assembly. This genuine OEM sight glass replacement is a critical component for service technicians performing routine combustion analysis or checking burner flame quality in high efficiency Lochinvar boilers and A. O. Smith water heaters. Designed to withstand the thermal stress of sealed combustion chambers, this durable observation port ensures an airtight