Figure 5-6_Boiler with Low Temperature Bypass Piping - Using a Thermostatic Mixing Valve Required for Systems
Operating at less than 140°F (60°C) Return Water Temperatures from the Heating Return Loop
DIR #2000527835 00
TO FLOOR DRAIN
TO EXPANSION TANK AND
MAKEUP WATER SYSTEM
HEATING SUPPLY LOOP
HEATING
RETURN
LOOP
MIXING
VALVE
12” MAX OR 4 PIPE DIAMETERS
31
5
Water connections
(continued)
Installation & Operation Manual
*Please note that these illustrations are meant to show system piping concept only, the installer is responsible
for all equipment and detailing required by local codes.
NOTICE
