HARDY MANUFACTURING CO., INC (MODEL H3, H5, & H6) PAGE 2
1-1 Specifications (continued)
On the front of your heater there is a nameplate. Along with other information you will find
the model number of your heater. This model number tells you what your heater rating is
and what electrical and plumbing options your heater has, Use the following list to
determine this. The first section determines the rating of your heater. The second section
determines electrical options. The last section determines the plumbing options. For
example heater model number H3-1-07. The H3 designates that you have a 120,000 Btu
heater.. The 1 in the second section designates that you have a standard pump. The 0 in
the last section designates that your heater is without domestic hot water. The 7 in the last
section designates that you have extra ports on your heater. On H3, H5, and H6 models
domestic hot water is only available through the use of externally mounted heat exchanger
kits.
Heater Rating
H3 – 120, 000 BTU
H5 – 180,000 BTU
H6 – 100,000 BTU
Electrical Options
0 – Without a Pump
1 – Standard Pump
2 – 2nd Pump & Relay
3 – 3rd Pump & Relay
8 – Pump for Plate Heat Exchanger
9 – Automatic Water fill
Plumbing Options
0 – Without Domestic Hot Water
7 – Extra Ports, 1/2”, 3/4”, 1”, etc.
8 – External mounted Plate exchanger
H3-1-07
120,000
2.5
Model
Electric options
Plumbing options