This part fits: ALPHA BOILERS CD13R (BOILER COMPLETE) ALPHA BOILERS CD18R (BOILER COMPLETE) ALPHA BOILERS CD24R (BOILER COMPLETE) ALPHA BOILERS HE CB25 (BOILER) ALPHA BOILERS HE CB33 (BOILER) ALPHA BOILERS HE SY25 (BOILER) CD25C (HEAT EXCHANGER) CD25C (ALL PARTS) CD28C (HEAT EXCHANGER) CD28C (ALL PARTS) CD35C (HEAT EXCHANGER) CD35C (ALL PARTS) CD18S (HEAT EXCHANGER) CD18S (ALL PARTS) CD24S (HEAT EXCHANGER) CD24S (ALL PARTS) CD30S (HEAT EXCHANGER) CD30S (ALL PARTS) CD25X (HEAT EXCHANGER/FAN ASSY) CD25X () CD28X (HEAT EXCHANGER/FAN ASSY) CD28X ()
