MILLIVOLT DIRECT CURRENT ELECTRIC THERMOSTATS (RX SERIES) 245-406F, 30" Capillary, 5/16" X 8-3/4" Bulb, Factory Model RX-4. SPST - Break on temperature rise. Hermetically sealed reed switch provides durability and accuracy in the harshest environments. Rated for .67 amps at 5 VDC. Maximum ambient temperature 230°F (110°C). Maximum differential is 8°F. Precise and proven snap action mechanism. Screw type terminals ensure electrical integrity. All RX models listed by UL, CSA, IEC, and AGA. Stem length 13/16"Replaces KEATING 021081, Robertshaw KX-216, Robertshaw KX-439
