Lochinvar Epic Fire Tube 100 Series User's Information Manual page 16

Revision A (PCP #3000024821 / CN #500014945) initial release.
Revision B (PCP #3000027055 / CN #500016866) reflects the
removal of information related to an external flow switch.
Revision C (PCP #3000031515 / CN #500021060) reflects the addition
of series numbers.
Revision D (PCP #3000053701 / CN #500040266) reflects the addition
of EFC110-199.
Revision E (PCP #3000054662 / CN #500041224) reflects updates
throughout the manual that were missed in previous revisions.
MM #100283661_DIR #2000541396_Rev E
02/23