| Brochure
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Standard Models Include:
 Zone Control Board Stainless Steel Burners Combination Gas Valve Operating Aquastat/High Limit Temperature/Pres Gauge ASME Safety Relief Valve Drain Valve Draft Hood Blocked Vent Safety Switch* Flame Roll Out Safety Switch* Automatic Vent Damper*
Packaged Models “PS” Include Standard Model parts Plus:
Circulating Pump Custom Cast Iron Pump Adapter Expansion Tank Air Purger Combination Fill/Pressure Regulator Valve Automatic Air Vent Add 45lbs (20kg) for shipping weight *Standard on models up to SG 270 |
| Model NO. |
Natural Gas | Dimensions | ||||||||||||
| INPUT | OUTPUT | A | B | C | D | E | ||||||||
| Btu/h | kW | Btu/h | kW | in | cm | in | cm | in | cm | in | cm | in | cm | |
| SG135 | 135,000 | 39.6 | 113,670 | 33.3 | 14.7 | 37.3 | 10.5 | 26.7 | 6.0 | 15.2 | 45.3 | 115 | 5.5 | 13.9 |
| SG180 | 180,000 | 52.8 | 151,560 | 44.4 | 17.7 | 45.0 | 10.5 | 26.7 | 6.0 | 15.2 | 45.3 | 115 | 5.5 | 13.9 |
| SG225 | 225,000 | 65.9 | 189,450 | 55.5 | 20.7 | 52.6 | 10.5 | 26.7 | 7.0 | 17.8 | 46.5 | 118 | 6.5 | 16.5 |
| SG270 | 275,000 | 79.1 | 227,340 | 66.6 | 23.7 | 60.2 | 10.5 | 26.7 | 8.0 | 20.3 | 47.6 | 121 | 7.5 | 19.0 |
| SG315 | 315,000 | 92.3 | 265,230 | 77.7 | 26.7 | 67.8 | 10.5 | 26.7 | 8.0 | 20.3 | 47.6 | 121 | - | - |
| SG360 | 360,000 | 106 | 303,120 | 88.8 | 29.7 | 75.4 | 10.5 | 26.7 | 9.0 | 22.9 | 48.6 | 124 | - | - |
| SG400 | 400,000 | 117 | 336,800 | 98.7 | 32.7 | 83.1 | 10.5 | 26.7 | 9.0 | 22.9 | 48.6 | 124 | - | - |
| SG450 | 450,000 | 132 | 378,000 | 111 | 35.7 | 90.7 | 16.5 | 41.9 | 10.0 | 25.4 | 55.3 | 140 | - | - |
| SG495 | 495,000 | 145 | 415,800 | 122 | 38.7 | 98.3 | 16.5 | 41.9 | 10.0 | 25.4 | 55.3 | 140 | - | - |
| Model NO. |
GAS CONN. F |
WATER CONTENT |
SHIPPING WEIGHT |
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| NPT | US gal | L | lb | Kg | |
| SG135 | 0.5 | 1.7 | 6.4 | 191 | 87 |
| SG180 | 0.5 | 2.2 | 8.3 | 222 | 101 |
| SG225 | 0.75 | 2.8 | 10.6 | 253 | 115 |
| SG270 | 0.75 | 3.3 | 12.5 | 284 | 129 |
| SG315 | 0.75 | 3.9 | 14.8 | 307 | 140 |
| SG360 | 1 | 4.5 | 17.1 | 336 | 153 |
| SG400 | 1 | 5.0 | 19.0 | 368 | 167 |
| SG450 | 1 | 5.6 | 21.2 | 395 | 180 |
| SG495 | 1 | 6.1 | 23.1 | 424 | 193 |
Note: For propane derate the above Models by 10%
For Btu/h ratings above 2000 feet contact the factory.
The "Super Hot" product improvement program may result in changes to design and/or specifications being made without notice.
