This part fits: IDEAL DOMESTIC MINI C24 (HEATER EXCHANGER) IDEAL DOMESTIC MINI C24 (PUMP/MAIN CIRCUIT ASSY) IDEAL DOMESTIC MINI C28 (HEATER EXCHANGER) IDEAL DOMESTIC MINI C28 (PUMP/MAIN CIRCUIT ASSY) IDEAL DOMESTIC MINI C32 (HEATER EXCHANGER) IDEAL DOMESTIC MINI S24 (PUMP/MAIN CIRCUIT ASSY) IDEAL DOMESTIC MINI S24 (CH FLOW/RETURN UP TO SN 062550) IDEAL DOMESTIC MINI S24 (CH FLOW/RETURN FR SN 062550703) IDEAL DOMESTIC MINI S24 (PUMP/MAIN CIRCUIT ASS FR SN 06) IDEAL DOMESTIC MINI S28 (PUMP/MAIN CIRCUIT ASSY) IDEAL DOMESTIC MINI S28 (CH FLOW/RETURN UP TO SN 062550) IDEAL DOMESTIC MINI S28 (CH FLOW/RETURN FR SN 062550703) IDEAL DOMESTIC MINI S28 (PUMP/MAIN CIRCUIT ASS FR SN 06)