2721221T alternative 0.190.458.03.1.042 Suco 4920G22 altenative is ???? - G1/8 - 1/5bar NA/NC 14-250V - 4921161 4920G23 alternative is ???? - G1/8 - 10/60bar NA/NC 14-250V - 4920163 4920G21 2121122 T1-10 obsolete replaced by 4121122 A0065453014 alternative is 4110161 41B20862T2.5D 2400122VIT ESI-8201-D Model 357 BCD 3 X 0-9 A137C MA+72-S12 2121223 P30300-100 2400114 OEM 2121122I T1-10 NC REPLACED BY 0.180.458.03.3.042 (DIfferent brand- SUCO)