Specifications

8 716 473 148
Installation instructions
9
Fig. 7
B Secure heater to wall using enclosed mounting
screws. Use mounting template for proper screw
location.
B Locate head of screw in the key hole of the top
mounting bracket.
Vent Safety System
The GWH-425-HNO will shut down if the intake or
exhaust louvers on the vent cap are blocked for any
reason; see troubleshooting section on page 18.