It operates effectively as a 3-15 psi receiver gauge

you will require the 4074EYK assembly instead

000 BTU/hr max capacity

reliable performance without the need for field adjustment

It also fits certain Blue Angel series burners

Lochinvar & A.O. Smith 100170652 Sensor Kit 30067439-890 It operates effectively as aThe Lochinvar & A. O. Smith 100170652 Sensor Kit is a critical OEM replacement part engineered for precise flue gas temperature monitoring in Knight boiler systems and high efficiency water heaters. This flue temp sensor kit (cross referenced as TST3403) serves as a vital safety component, providing real time thermal reporting to the integrated control board. By continuously tracking exhaust discharge temperatures, the 100170652 flue sensor prevents