5
X
tremely Small Footprint
Ratings shown are for elevations up to 10,000 feet. For installations at elevations above
2,000 feet, derate may apply, please consult the factory for additional instructions.
Front
24”
24”
Rear
24”
24”
Right
0”
0”
Left
0”
0”
Top
12”
24”
Floor
0”
---
Vent
1”
---
C e r t i f i e d
M i n i m u m
Service
Minimum
*Do not install on carpeting
Note: Local codes may require increased clearances
Heater
Side
Note: Current draw (Amps) is for pump only
Water hardness grains per gallon
Soft = 0-4 • Medium = 5-15 • Hard = 16-25
Water above 15gpg requires water softener.
Model MBTUH
Input
Boiler
Output
Efficiency
Water Heaters
Output
Efficiency
MBTUH
Input
Minimum
Input
300
300
282
94%
300
285
95%
60
400
399
375
94%
399
379
95%
80
500
500
470
94%
500
475
95%
100
700
700
658
94%
700
665
95%
140
850
850
799
94%
850
808
95%
170
Model
Dimensions (in.)
A
Length
Amps*
3 0 0
28 - 1/4
16 - 1/2
27 - 9/16
3 / 4
1 - 1/2
4
4
3
4 1 0
4 . 3
3
4 0 0
30 - 3/4
16 - 1/2
29 - 3/4
1
2
4
4
3
4 6 5
4 . 7
4
5 0 0
37 - 1/4
16 - 1/2
36 - 1/4
1
2
4
4
3
5 0 5
5 . 7
4
7 0 0
47 - 3/4
2 8
47 - 1/16
1 - 1/4
2
6
6
19 - 3/8
5 5 0
7 . 3
5
8 5 0
54 - 1/4
2 8
53 - 9/16
1 - 1/4
2
6
6
19 - 3/8
5 8 0
8 . 3
5
Foot-
(ft
2
)
Ship
Weight
(lbs.)
E
F
Mounting
G
NPT
H
NPT
K
Flue Ø
T
C/A
Ø
V
300
1/8
1.3
1/4
5.7
400
1/8
1.3
1/2
6.9
500
1/4
5.7
1/2
6.9
700
1/2
6.9
1
14.0
850
1/2
6.9
1
14.0
Soft
Water Heater Pump Sizes
Hard
Medium
HP
Amps
HP
Amps
HP
Amps
XFyre
Model
*Current Draw is for heater only.
(Supply breaker must have delayed trip.)
Do not use when
hardness exceeds
15 grains per gallon
