Model Number | Cast Iron Heads [inches] | Dimensions [inches] | Htg. Surf. [sq.ft] |
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2 Pass | 4 Pass | 2 Pass | 4 Pass | 2 and 4 Pass | |||||||||||||
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R1 | K1 | R2 | K2 | C | H | D | F | M | E | B | A | L | N1 | N2 | |||
SA-2421 | SA-2441 | 37 1/2 | 10" Flange | 18 1/2 | 8" Flange | 17 7/8 | 25 5/8 | 24 | 32 | 14 | 25 | 17 | 18 | 38 | 12" Flange | 4" Flange | 236 |
SA-2422 | SA-2442 | 37 1/2 | 10" Flange | 18 1/2 | 8" Flange | 17 7/8 | 25 5/8 | 24 | 32 | 14 | 37 | 17 | 18 | 50 | 12" Flange | 4" Flange | 324 |
SA-2423 | SA-2443 | 37 1/2 | 10" Flange | 18 1/2 | 8" Flange | 17 7/8 | 25 5/8 | 24 | 32 | 14 | 49 | 17 | 18 | 62 | 12" Flange | 4" Flange | 412 |
SA-2424 | SA-2444 | 37 1/2 | 10" Flange | 18 1/2 | 8" Flange | 17 7/8 | 25 5/8 | 24 | 32 | 14 | 61 | 17 | 18 | 74 | 12" Flange | 4" Flange | 500 |
SA-2425 | SA-2445 | 37 1/2 | 10" Flange | 18 1/2 | 8" Flange | 17 7/8 | 25 5/8 | 24 | 32 | 14 | 73 | 17 | 18 | 86 | 12" Flange | 4" Flange | 588 |
SA-2426 | SA-2446 | 37 1/2 | 10" Flange | 18 1/2 | 8" Flange | 17 7/8 | 25 5/8 | 24 | 32 | 14 | 85 | 17 | 18 | 98 | 12" Flange | 4" Flange | 676 |
SA-2427 | SA-2447 | 37 1/2 | 10" Flange | 18 1/2 | 8" Flange | 17 7/8 | 25 5/8 | 24 | 32 | 15 | 97 | 17 | 19 | 110 | 14" Flange | 5" Flange | 764 |
SA-2428 | SA-2448 | 37 1/2 | 10" Flange | 18 1/2 | 8" Flange | 17 7/8 | 25 5/8 | 24 | 32 | 15 | 109 | 17 | 19 | 122 | 14" Flange | 5" Flange | 852 |