Description
The Chromalox TPR thermostat is designed to
control heat tracing systems used for freeze
protection in nonhazardous locations. The
thermostat has a fixed setpoint of 40˚F(5˚C)
and can be used for ambient sensing or line
sensing. It can be used to control a single
heat trace circuit or as a pilot controller of a
contactor switching multiple circuits.

Barksdale Pressure Switch E1H-H250
Barksdale Valve 145R3WC3-Q6
Barksdale Temperature Switch MT1H-H251-12-A 