Boilers, Furnaces, Humidifiers, Water Heaters
Be sure to refer to construction drawings and specifications, seismic restraint submittals, and manufacturer’s instructions.
Figure 18: Small boiler. 
Figure 19: Humidifier. 
Figure 20: Water tube (shown) or fire-tube boiler. 
Figure 21: Flextube boiler. 
Figure 22: Furnace. 
Figure 23: Water heater.
Step 2: Select the type of attachment
Using the following table, select how the equipment is to be installed, select the attachment type that best matches the installation you have selected, then turn to the page under the attachment type.
