Support and Clearance
Component Cut-Aways
©Aqua-Hot®
400D Installation Manual
Rev 220504
©Aqua-Hot®
400D Installation Manual
Rev 220504
p. 7
p. 6
Zone 1 & 2 Inlet Ports
Zone 1 & 2 Outlet Ports
Wiring Harness Port
AC Wiring Port
Expansion Tank
Connection
Product ID Label
The Aqua-Hot tank and heating loop operate at 0.0
PSI (zero pressure system). Air pressure applied to
the tank MUST NOT
exceed 20 PSI. Excess pressure
will result in internal damage.
Figure 7
Installing the Mounting Tray & Aqua-Hot
Install the Aqua-Hot in a compartment that is completely
closed off from living quarters and is accessible only from the
exterior of the coach.
1. Reference the following illustrations below for mounting
information.
2. Cut out the required mounting tray as shown in Figure 8.
3.
Install the mounting tray flange into the cut out opening.
Reference Figure 9.
4. Insert a #10 machine screw into each of the embossed
holes in the mounting tray (6 total), and tighten to secure
the mounting tray to the coach.
NOTE:
Inspect the area near the mounting location to
ensure that no structural members will interfere with
the cut-out for the mounting tray.
Figure 8
NOTE:
The Aqua-Hot must be
supported by structural cross-
members that can support at least
185lbs.
5. Secure the mounting tray into place prior to installing the
Aqua-Hot.
6. Place the Aqua-Hot securely into the mounting tray to
ensure that the unit does not move or shift under normal
operating conditions. Reference Figure 10.
Figure 10
Figure 11
NOTE:
Remove the bolt securing the front of
the access cover to the mounting tray. This
bolt will need to be reinstalled once the total
installation procedure is complete.
Figure 9
Air Release Valve
Mounting Tray
Flange
Slots
Rear of
Mounting Tray
Diesel Fuel Inlet &
Outlet Ports
