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Standard Features
- Low NOx
- Up to 85% efficiency - non-condensing mode | Up to 95% efficiency - condensing mode
- Durable ceramic burner unaffected by high temperatures
- Vents up to 60 feet horizontally with 60 feet of air intake duct
- Suitable for use in negative pressure environments
- Complete diagnostic light package
- Easy access for inspection & cleaning of heat exchanger tubes
- Durable ceramic fibre refractory
- Simple to service with easy access to burner and fan
- Maximum allowable working temperature 160 psi
- Maximum allowable water temperature 250°F
Technical Data
Series |
Model |
Input
(MBH) |
Output
(Non-Con) |
Output
(Condensing) |
Weight
(Non Con) |
Weight
(Con) |
Firing Modes Available |
Micoflame |
60 |
60,000 |
51,000 |
57,000 |
190 |
230 |
On/Off
2-Stage |
100 |
100,000 |
85,000 |
95,000 |
195 |
235 |
150 |
150,000 |
127,500 |
142,500 |
200 |
240 |
200 |
200,000 |
170,000 |
190,000 |
210 |
250 |
250 |
250,000 |
212,500 |
237,500 |
225 |
285 |
300 |
300,000 |
255,000 |
285,000 |
240 |
290 |
400 |
400,000 |
340,000 |
380,000 |
290 |
310 |
500 |
500,000 |
425,000 |
475,000 |
305 |
345 |
600 |
600,000 |
510,000 |
570,000 |
360 |
400 |
Micoflame 2 |
800 |
800,000 |
680,000 |
760,000 |
500 |
580 |
1000 |
1,000,000 |
850,000 |
950,000 |
610 |
690 |
1200 |
1,200,000 |
1,020,000 |
1,140,000 |
732 |
828 |
On/Off
2-Stage
3-Stage
4-Stage |
1400 |
1,400,000 |
1,190,000 |
1,330,000 |
854 |
966 |
1600 |
1,600,000 |
1,360,000 |
1,520,000 |
976 |
1104 |
1800 |
1,800,000 |
1,530,000 |
1,710,000 |
1098 |
1242 |
2000 |
2,000,000 |
1,700,000 |
1,900,000 |
1220 |
1380 |
Micoflame Grande |
2000 |
2,000,000 |
1,700,000 |
1,900,000 |
|
|
2500 |
2,500,000 |
2,125,000 |
2,375,000 |
|
|
3000 |
3,000,000 |
2,550,000 |
2,850,000 |
|
|
3500 |
3,500,000 |
2,975,000 |
3,325,000 |
|
|
4000 |
4,000,000 |
3,400,000 |
3,800,000 |
|
|
Dimensions
Series |
Model |
W
Length |
D
Width |
A
Height |
C |
F |
G |
H |
I |
J |
K |
L |
Micoflame |
60 |
18¾ |
29¾ |
31¾ |
21¼ |
25 |
11 |
19⅝ |
6 |
14¼ |
36¾ |
19⅝ |
100 |
18¾ |
150 |
18¾ |
200 |
18¾ |
250 |
25 |
300 |
25 |
400 |
31½ |
29¾ |
33½ |
26 |
27 |
11 |
19⅝ |
6 |
14¼ |
36¾ |
19⅝ |
500 |
31½ |
600 |
36½ |
Micoflame 2 |
800 |
45¾ |
29¾ |
43 |
27½ |
32¼ |
11 |
37 |
6 |
17⅝ |
36¾ |
22⅞ |
1000 |
52¾ |
1200 |
62 |
1400 |
71¼ |
1600 |
80¾ |
1800 |
89¾ |
2000 |
99 |
Micoflame Grande |
2000 |
54⅝ |
51 |
47 |
31½ |
37¼ |
|
40½ |
20 |
|
55½ |
|
2500 |
78⅞ |
3000 |
78⅞ |
3500 |
103 |
4000 |
103 |
All Dimensions are in inches | Dimensions subject to change without notice
Vent & Connection Sizes
Series |
Model |
'V' Diameter |
Air
Inlet
Dia.
'E' |
Water
Conn. |
Gas
Conn. |
Outdoor |
Sidewall or
All Condensing
|
Std. |
Micoflame |
60 |
3 |
3 |
3 |
3 |
1½ |
½ |
100 |
3 |
3 |
4 |
3 |
1½ |
½ |
150 |
3 |
1½ |
½ |
200 |
4 |
4 |
5 |
4 |
1½ |
¾ |
250 |
4 |
1½ |
¾ |
300 |
5 |
5 |
6 |
4 |
1½ |
¾ |
400 |
4 |
2 |
1 |
500 |
6 |
6 |
7 |
6 |
2 |
1 |
600 |
6 |
2 |
1 |
Micoflame 2 |
800 |
8 |
8 |
10 |
10 |
2½ |
1 |
1000 |
10 |
2½ |
1¼ |
1200 |
10 |
10 |
12 |
12 |
2½ |
1¼ |
1400 |
12 |
2½ |
1¼ |
1600 |
12 |
12 |
14 |
14 |
2½ |
1½ |
1800 |
14 |
2½ |
1½ |
2000 |
14 |
2½ |
1½ |
Micoflame Grande |
2000 |
10 |
10 |
12 |
12 |
3 |
1½ |
2500 |
12 |
12 |
14 |
14 |
3 |
2 |
3000 |
14 |
3 |
2 |
3500 |
14 |
14 |
16 |
16 |
4 |
2½ |
4000 |
16 |
4 |
2½ |
Heat Exchanger Head Loss
Series |
Model |
Temperature Rise Across Heat Exchanger |
20°F |
30°F |
35°F |
Flow
(gpm) |
Pressure
Drop (ft) |
Flow
(gpm) |
Pressure
Drop (ft) |
Flow
(gpm) |
Pressure
Drop (ft) |
Micoflame |
60 |
5.1 |
0.01 |
3.4 |
0.01 |
2.9
|
0.01 |
100 |
8.5 |
0.02 |
5.7 |
0.01 |
4.9 |
0.01 |
150 |
12.8
|
0.04 |
8.5 |
0.03 |
7.3 |
0.03 |
200 |
17.0 |
0.08 |
11.3 |
0.05 |
9.7 |
0.05 |
250 |
21.3 |
0.16 |
14.2 |
0.10 |
12.2 |
0.10 |
300 |
25.5 |
0.49 |
17.0 |
0.19 |
14.6 |
0.19 |
400 |
34.0 |
0.55 |
22.7 |
0.26 |
19.4 |
0.26 |
500 |
42.5 |
0.76 |
28.3 |
0.39 |
24.3 |
0.39 |
600 |
51.0 |
1.15 |
34.0 |
0.55 |
29.1 |
0.55 |
Micoflame 2 |
800 |
66.6 |
2.80 |
44.4 |
1.10 |
38.0 |
0.80 |
1000 |
83.3 |
4.90 |
55.5 |
2.00 |
47.6 |
1.50 |
1200 |
100.0 |
6.90 |
66.7 |
3.10 |
57.1 |
2.40 |
1400 |
* |
* |
77.8 |
4.30 |
66.7 |
3.40 |
1600 |
* |
* |
88.9 |
5.40 |
76.2 |
4.00 |
1800 |
* |
* |
100.0 |
6.90 |
85.7 |
5.10
|
2000 |
* |
* |
* |
* |
95.2 |
6.20 |
Micoflame Grande |
2000 |
170 |
5.1 |
113.0 |
2.4 |
97.0 |
1.8 |
2500 |
* |
* |
141.0 |
4.3 |
121.0 |
3.3 |
3000 |
* |
* |
170.0 |
6.2 |
146.0 |
4.5 |
3500 |
* |
* |
198.0 |
10.2 |
170.0 |
7.7 |
4000 |
* |
* |
* |
* |
194.0 |
9.8 |
* Contact Gritton & Associates for recommendations
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