United Electric Controls B121 Series; NEMA 4X, 7 & 9 Pressure Switch; Class I Divisions 1& 2 Groups B, C and D; Class II Divisions 1 & 2 Groups E, F and G; Class III; One SPDT Output; Epoxy Coated Enclosure; External Adjustment with Reference Dial
Part Number	Description
B121-120	9/16" O.D. x 1-7/8" Length Nickel Plated Brass Stem; 1/2"NPT; 0 to 225°F Adjustable Set Point Range; 275°F Max. Temp.	[On Sale]
B121-121	9/16" O.D. x 1-7/8" Length Nickel Plated Brass Stem; 1/2"NPT; 200 to 425°F Adjustable Set Point Range; 475°F Max. Temp.	[On Sale]

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