50 gallons
gas-fired
s/n M181710052
model XG50T12HN38U1
mfg date 02MAY2017
input BTUH 38,000
Rheem 866/279-4566
      800/432-8373

7/28/2025 tech support call
they will send a new gas valve and controller (?)
to 2248 with instructions, so I can do the
replacement myself.