Johnson Controls Temperature Sensors and Accessories

Johnson Controls Modular Electronic Sequencer

The System 350R353/S353 Modular Electronic Sequencer is designed to provide multistage control in HVAC/R applications. The R353 Signal Input Module accepts input signals of 0 to 10Vdc, 0 to 20mA, or 135 to 10K ohm slidewire.

(Click to enlarge diagram)


  • Electronic accuracy and repeatability
  • Field selectable direct-, reverse-acting, or mixing applications
  • Field selectable time delay
  • Connect up to ten S353 stage modules
  • Wall or DIN rail mounting
  • Plug-in connection


  • Electronic forced air systems
  • Electric boiler heating element staging
  • Boiler staging
  • Refrigeration and air conditioning capacity control
  • Multi-stage combination heating/cooling systems
  • Heat pump
  • Multi-stage fan systems for farm and industry
  • Heat recovery systems

Johnson Controls 24 Volt Power Module

The Y350R Power Module is a rectified AC power supply module designed specifically for use with the System 350 Modular Controls System. It provides a convenient method of powering the System 350 modules if 24Vac power is not available.

Johnson Controls Temperature Sensors and Accessories

Part # Sensor Accessories  
ADP11A-600R 1/2" EMT conduit adapter (box of 10) Call... Add to Order
SHL10A-600R Sun shield, single sensor Call... Add to Order