LAARS Mighty Therm PH (Sizes 500-1825) - Installation, Operation and Maintenance Instructions - Manual (Page 19)

Mighty Therm Hydronic Boiler Page 19
Figure 19. Parts Identification.
NOTE:
Temperature Control Wells -
Inlet/Outlet Header
1. Firing Mode L, K, & C -
2 Dry Wells
2. Firing Mode H
A. Natural Gas Boilers & Heaters
500 thru 850 - 2 Dry Wells
1010 thru 1430 - 3 Dry Wells
1670 thru 1825 - 4 Dry Wells
B. Propane Gas Boilers & Heaters
500 thru 850 - 2 Dry Wells
1010 thru 1852 - 3 Dry Wells