Defrost Demand Kit - York 331-01975-001
Defrost Demand Kit 331-01975-001, Replaces 031-01975-001, 031-01098-015, 031-01098-013, 031-01098-003, 031-01098-002, 031-01098-702, 013-01098-703, 031-01098-713
Used on Heat pumps with model numbers starting with:
E1FB, E1FE, E1RE, EABE-F, FRHS, XYHS