This part fits: ALPHA BOILERS CD13R (BOILER COMPLETE) ALPHA BOILERS CD13R (SEAL KITS) ALPHA BOILERS CD18R (BOILER COMPLETE) ALPHA BOILERS CD18R (SEAL KITS) ALPHA BOILERS CD24R (BOILER COMPLETE) ALPHA BOILERS CD24R (SEAL KITS) CD25C (HEAT EXCHANGER) CD25C (ALL PARTS) CD28C (HEAT EXCHANGER) CD28C (ALL PARTS) CD35C (HEAT EXCHANGER) CD35C (ALL PARTS) CD25X (HEAT EXCHANGER/FAN ASSY) CD25X (ALL PARTS) CD25X () CD28X (HEAT EXCHANGER/FAN ASSY) CD28X (ALL PARTS) CD28X ()
