Safety Features - North Star 157494 Installation, Operation And Maintenance Manual

I.) Safety Relief
The safety relief valve is a backup safety feature. If the
system's pressure exceeds its limits, the safety relief
valve will open and relieve system pressure.
WARNING: If the safety relief valve ever discharges
water, turn the unit off and do not use the machine.
See a dealer or call Customer Service at 1-800-270-
0810.

Safety Features

Safety
Relief
II.) High Temperature Limit
The high temperature limit, or thermostat, keeps the
outlet water temperature below 250°F.
High Temp.
Limit
12