Lochinvar & A.O. Smith 100173794 Door Kit 318172-701 Technical specifications confirm that the

Technical specifications confirm that the 100173748 is identical to WTR30001

the A11D-5 is identical to A11D-5C

OEM Compatibility: A drop-in replacement for Lennox 43K3001 and 65238200

What float should be used with the 500TO

Lochinvar & A.O. Smith 100173794 Door Kit 318172-701 Technical specifications confirm that theWhen you're servicing high efficiency units like the Lochinvar Knight XL or A. O. Smith commercial boilers, maintaining the integrity of the combustion chamber is non negotiable. The Lochinvar & A. O. Smith 100173794 Door Kit is the specific OEM replacement part required to ensure a gas tight seal on the heat exchanger access point. Designed for precision fitment on models including the KBN399 and KBN500, this heat exchanger access door kit allows for