Product Guide

D2 SERIES
Specifications
The D2 series is well suited for residential/commercial applications such as small restaurants
and beauty salons. Utilizing commercial grade copper alloy for the heat exchanger tubing, the
D2 series is also suitable for heavier residential usages such as combination space heating and
domestic recirculation systems. A remote control is included as a standard feature.
Model Number* Type
Gas Consumption Input Inlet Gas Pressure**
UEF
Minimum
(BTU/H)
Maximum
(BTU/H)
Minimum
(in. W.C.)
Maximum
(in. W.C.)
T-D2-IN-N Natural 11,000 199,000 4.0 10.5 0.80
T-D2-OS-N Natural 11,000 199,000 4.0 10.5 0.80
Model Number*
Maximum
GPM
Hot/Cold
Connections
Gas
Connection
Clearances (in.)
Approx
Shipping
Weight (lbs)
Top Bottom Side Front
T-D2-IN-N 10 3/4" NPT 3/4” NPT 12 12 3 4 45
T-D2-OS-N 10 3/4" NPT 3/4” NPT 36 12 3 24 45
*For propane models, change “N” to “P”
**For propane models, minimum inlet gas pressure is 8.0 in. W.C. and maximum inlet gas pressure is 14.0 in. W.C.
ANSI Z21.10.3 • CSA 4.3
NON-CONDENSING
D2
Temperature
Settings
Dipswitches 104°F 113°F 122°F (default) 140°F
With 100112155 remote (max. distance 400’ from heater, non-polarized 20 gauge wiring.)
100°F to 176°F (15 options), 122°F Default Factory Setting
Electric 120 V 90 W / 0.75 A 6 W / 0.05 A
111 W / 0.93 A
(Freeze-Protection)
T-D2-INT-D2-OS
15