Specification

Rev. 3/17
Dimensions
ut notice.
Specifications
30 40 45 50 60 70 80 90 100 110 120 130 140
11.1 9.8 8.7 7.8 6.5 5.6 4.9 4.4 3.9 3.6 3.3 3.0 2.8
Temperature
Rise (°F)
EZTR75
(GPM)
Flow Rates
81 pounds
Water Inlet
Hot Water Outlet
Condensate Drain
Supply
Consumption
Temperature Settings
100-140°F (In 5°F intervals) (9 Options)
Default Temperature Options
120, 135, 140°F (Default is 120°F)
Connection
Sizes
Weight
Water Holding Capacity
Power
Model Name
Freeze Protection Indoor: -30 °F
37-48°C (In 1°C intervals), 50-60°C (In 5°C intervals) (15 Options)
°F Mode
°C Mode
°F Mode
°C Mode
50, 55, 60°C (Default is 50°C)
Gas Inlet
Pressure Loss
0.65 Gallon (2.5L)
3/4"
3/4"
1/2" Threaded
120VAC (60Hz), less than 4 amperes
NG: 90W LP: 98W Freeze Prevention 178W
EZTR50 & EZTR75
Outdoor: -4 °F
3/4"
Operating Pressure
Gas Supply Pressure
NG: 4.0” - 10.5” LP: 8.0” - 14.0”
15 - 150 psi
9.8 8.6 7.6 6.9 5.7 4.9 4.4 3.8 3.4 3.1 2.9 2.6 2.4
EZTR50
(GPM)
4 x Ø0.5" (Ø13mm)
2 x 0.24" x 0.4" (6 x 10mm) OBLONG HOLE
4 x 0.24" x 0.6" (6 x 15mm) OBLONG HOLE
1.1" (28mm)
2.6" (66mm)
3.9" (100mm)
5.5" (140mm)
6.7" (170mm)
0.4" (10mm)
WALL MOUNTING BRACKET
(INCLUDED ACCESSORY)
2.3" (59mm)
28.0" (711mm)
0.5" (13mm)
1.8" (46mm) 1.2" (30mm)
26.0" (660mm)
27.0" (687mm)
12.8" (325mm)0.2" (5mm)
10.2" (260mm)
3.5" (88mm)
1.3" (34mm)
AIR INLET
FLUE COLLAR
Ø2.4" (Ø60.8mm)
Ø2.4" (Ø60.8mm)
10.1" (256mm)
17.8" (451mm)
18.5" (471mm)
5.1" (130mm)
5.1" (130mm)
16" (406mm)
2.2" (56mm)
1.7" (42mm)
2.3" (59mm)
1.8" (46mm)
BOTTOM
BOTTOM
TOP
TOP
GAS INLET
COLD WATER INLET
HOT WATER OUTLET
CONDENSATE DRAIN
FROM CASE
HEIGHT OF EACH FITTING
WATER DRAIN VALVE
CONDENSATE DRAIN (1/2”)
GAS INLET (3/4”)
WIRING THOROUGHWAY
(AC120V)
15.7" (397mm)
12.7" (322mm)
2.4" (60mm)
2.1" (56mm)
8.7" (222mm)
9.1" (231mm)
COLD WATER INLET (3/4”)
HOT WATER OUTLET (3/4”)
WATER DRAIN VALVE
(WATER FILTER)
WATER DRAIN VALVE
2.1" (53mm)
13.4" (340mm)
1.6" (41mm)
8.7" (220mm)
17.7" (450mm)
< inch (mm) >
0
10
20
30
40
50
60
70
80
0
5
10
15
20
25
30
35
0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0
Pressure Loss (Ft. of head)
Pressure Loss (psi)
Flow Rate (GPM)
Bypass Flow Control Valve Close Set
temperature : 125ºF or higher
(Storage Tank Setting W/ System
Controller : 170-185ºF)
Bypass Flow Control Valve Open
Set temperature : 120ºF or less
(Storage Tank Setting W/ System
Controller : 160ºF or less)
Rev. 01/19