923091604 BFV-N WFR TS 250 PSIMFD EC-25 FLAME DETECTOR TYPE 601F-M P/NO: 516.600.007 MCP 200 TFP DPV-1 TY325 516.600.005 Obsolete!! - Replaced by 516.600.202 515.001.021 MR601TEX 516.600.201 CXL/GP/R/BB Part No:006251 601H-F-M conventional heat (fixed 60 C) Obsolete, replaced by 611H-F 631H-F 601P-M