Pre-Installation
Visually inspect the HWBT for any damage. If damage exists
return product for replacement.
Installation
THIS PRODUCT MUST BE INSTALLED BY A
LICENSED PROFESSIONAL.
Refer to Figure 1 for typical installation of the AMTROL
HWBT Series.
Maintenance
A licensed professional should check the complete system,
including the HWBT, yearly and more frequently as the
system ages.
Operation
1. The HWBT models are designed to add thermal mass to non-
potable, closed, hot water systems helping minimize boiler
cycling that occurs during no/low domestic load conditions.
2. Water temperature not to exceed 450°F.
3. System pressure is not to exceed the maximum working
pressure of the tank.
Warranty
HWBT120-2 through HWBT300-4/4 Models
:
One (1) Year Limited Warranty
Visit www.amtrol.com for complete warranty details.
PLEASE READ THE FOLLOWING INSTRUCTIONS CAREFULLY
IMPORTANT GENERAL SAFETY INFORMATION -
ADDITIONAL SPECIFIC SAFETY ALERTS APPEAR IN THE FOLLOWING INSTRUCTIONS.
Figure 1
SYSTEM
PUMP
BOILER
2 Port Installation
SYSTEM
PUMP
BOILER
PUMP
4 Port Installation
© 2019 Worthington Industries Inc.
Part #: 9017-157 (06/19)
One or more features of this product are covered by U.S. patents, visit www.amtrol.com/patents for more information.
1400 Division Road, West Warwick, RI USA 02893
T: 800.426.8765
www.amtrol.com