ALPHA C23 C27 & SY 24 BOILER REPLACEMENT PUMP HEAD & 1.015610
DUO TEC 28 HE - 47-075-25. DUO TEC 28 HE A (AFTER SERIAL NO.CAC0929 ISSUE 9) - 47-075-36. DUO TEC 28 HE A (BEFORE SERIAL NO.CAC0929 ISSUE 9) - 47-075-36 BEFORE. DUO TEC 24 HE - 47-075-23. DUO TEC 40 HE - 47-075-26.