It is technically identical to the Honeywell 4074ELR/U

Operational Efficiency: Eliminates the need for off-site testing

the 92L19 temperature limit control offers an exact-fit solution for the AF90MPB and AF90MPE series furnaces

Efficient Operation: Delivers 3

preventing dangerous flue gas leaks and maintaining high-efficiency operation

Johnson Controls T-2100-205 Thermometer 30067439-890 It is technically identical toJohnson Controls T 2100 205 Dial Thermometer, 40 to 240 Degree Temperature Scale, "B" Bulb Element, Flush Panel Mount, 15' Capillary Length, Stainless Steel Case, Vapor Filled Copper Element, "B" Style Elements Require a Minimum Insertion Length of 9 1 2"