¤ Defrost Controls

» 47D40-801 Demand Defrost Control

* Direct replacement for certain Rheem controls
* Includes ambient and coil temperature sensors
* Short-cycle protection.
* LED diagnostic display

» 47D43-811 Demand Defrost Control

* Direct replacement for certain Rheem controls
* Includes ambient and coil temperature sensors
* Hi/Lo pressure switch inputs and 3-strike lockout
* Short-cycle protection

57T01-843 Blower Time Delay Relay

* For air handlers in compressor-run air conditioning and heat pump systems
* Allow residual cooled air to be blown Into controlled space
* Increases efficiency of system in cooling