Physical Specifications
| Dimensions (in) |
Model |
| MTO40G |
MTO50G |
MTO79G |
MT100G |
| A |
5-1/8 |
5-1/8 |
2-3/4 |
2-3/4 |
| B |
9-3/4 |
9-3/4 |
10 |
10 |
| C |
34 |
37 7/8 |
28 1/2 |
43 3/8 |
| D |
- |
- |
36-1/2 |
48-3/8 |
| E |
50-1/2 |
62-3/4 |
52-5/8 |
65-7/8 |
|
Connections (NPT) |
| CoolDrain |
3/4 M |
3/4 M |
1 M |
1-1/4 M |
| Boiler Supply |
1 F |
1 F |
1 F |
1 F |
| Boiler Return |
1 F |
1 F |
1 F |
1 F |
| Hot |
3/4 M |
3/4 M |
1 M |
1-1/4 M |
| Thermostat |
3/4 F |
3/4 F |
3/4 F |
3/4 F |
| Recirc |
- |
- |
3/4 F |
3/4 F |
| T&P Valve |
3/4 F |
3/4 F |
1 F |
1 F |
|
Performance
Specifications
I=B=R Certified
Performance Ratings |
Model |
| MTO40G |
MTO50G |
MTO79G |
MT100G |
| First Hour Rating (Gal/hr) |
192.4 |
225.1 |
285.9 |
400.3 |
| Cont. Draw Rating (Gal/hr) |
158.0 |
178.2 |
216.5 |
314.6 |
| Standby Heat Loss (F/hr) |
1.9 |
1.3 |
1.1 |
1.0 |
| Min Boiler Output (BTU/Hr) |
103,149 |
116,094 |
137,604 |
200,038 |
| Boiler Water Flow (Gal/min) |
8.0 |
8.0 |
10.0 |
10.0 |
Other Specifications
| |
Model |
| MTO40G |
MTO50G |
MTO79G |
MT100G |
| Coil Head Loss (ft w.c.) |
2.6 |
2.6 |
4.4 |
5.7 |
| Coil Surface (sq. ft) |
12.1 |
14.3 |
15.1 |
25.8 |
| Tank Volume (Gal) |
38 |
50 |
79 |
102 |
| Net Weight (lbs) |
190 |
226 |
245 |
310 |
| Filled Weight (lbs) |
523 |
658 |
926 |
1187 |
|
