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
• LED diagnostic display

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