AB Series – Product Information
Forced draft gas, oil or dual-fuel fired hot water and steam boilers. High velocity, four pass flue gas travel contributes to 83.5% guaranteed efficiency. Capacities from 900 MBH input (21 BHP output) to 3,000 MBH input (75 BHP output).
| Water Boilers | Steam Boilers |
| Form 2295 - Suggested Piping Low Temperature Water Systems | Form 2420 - Single Steam Boiler |
| Form 2421 - Single Water Boiler with Primary Piping | Form 2275 - Multiple Steam Boilers |
| Form 2422 - Single Water Boiler with Hydraulic Separation Primary/Secondary | Form 2276 - Typical Field Piping for Control Blowdown Valve |
| Form 2401 - Multiple Water Primary/Secondary with Hydraulic Separation Direct Return | Form 2277 - Typical Piping for Manual Surface Blowdown |
| Form 2427 - Multiple Water Primary with Direct Return | Form 2278 - Typical Piping for Automatic Surface Blowdown |
| Form 2400 - Multiple Water Primary/Secondary with Hydraulic Separation Reverse Return | Form 2339 - Typical Piping for Conductivity Surface Boiler Blowdown System |
| Form 2424 - Outdoor Pool and Domestic Water Heating | Form 2279 - Typical Piping for AB, CLM, DR, F, K, RV Manual Bottom Blowdown |
| Form 2423 - Outdoor Pool and Space Heating | Form 2304 - Typical Piping for AB, CLM, DR ,F, K, RV Auto Blowdown System |
| Form 2426 - Outdoor Pool, Domestic Water and Space Heating | Form 2281 - Typical Piping for Feedwater Stop & Check Valve |
| Form 2425 - Two Separate Pools, Different Temperatures | Form 2282 - Typical Piping for Modulating or Solenoid Feed Valve w/Bypass |
