Winter / Summer Optional Kit

Figure 2 – Water Heater Illustration and Label Placement Diagram

*In models with a single heating element, the element is replaced with a plug.

INDIRECT WATER HEATER RATINGS

Table 1: Indirect Water Heater Performance in Boiler Application

MODEL

Maximum First Hour

Rating (Gal/Hr) @

140 °F 115 °F

Continuous Draw

Rating (Gal/Min) @

140 °F 115 °F

Approximate Boiler Output

Needed For Ratings

(BTU/hr)

Single-wall 60-Gallon

306 456 4.2 6.7 220,000

Double-wall 60-Gallon 210 305 2.6 4.2 140,000

Single-wall 75-Gallon

321 470 4.2 6.7 220,000

Double-wall 75-Gallon 225 320 2.6 4.2 140,000

Single-wall 115-Gallon

357 507 4.2 6.7 220,000

Double-wall 115-Gallon

260 350 2.6 4.2 140,000

NOTES: Based on 200 °F boiler water temperature and 50 °F potable water inlet temperature.

140°F and 115°F are steady-state potable water outlet temperatures.