Thermal Solutions APEX APX425C Installation, Operating And Service Instructions page 51

APEX Installation, Operating, & Service Instructions
6
Water Piping and Trim
(continued)
NOTICE: Installing a low water cutoff in the
system piping of multiple boilers is strongly
recommended and may be required by local
codes.
Figure 6-16: Multiple Boiler Water Piping w/Domestic Hot Water Heater (Page 1 of 2)
106308-05 - 3/23
51