| |
NATURAL GAS |
PROPANE |
| Model |
M27 |
| Input rating (Btu/hr) 0-610 m |
27,000 |
25,000 |
| Minimum input (Btu/hr) 0-610 m |
7,250 |
7,000 |
| Orifice size (DMS) 0-610 m (f/r) |
51/45 |
59/56 |
| Input rating (Btu/hr) 610-1370 m |
26,200 |
23,800 |
| Orifice size (DMS) 610-1370 m (f/r) |
52/46 |
60/57 |
| Manifold pressure (in. w.c./kPa) |
3.5/0.87 |
10/2.49 |
| Manifold pressure, Low setting (in. w.c./kPa) |
1.6/0.40 |
6.4/1.59 |
| Minimum inlet pressure (in. w.c./kPa) |
5/1.25 |
11/2.74 |
| Air shutter settings (in) (f-r) |
0 |
1/4 - 1/2 |
