Schneider Electric RKSR-4000 Transmitter Input Receiver ControllerDiscover the Schneider Electric RKSR 4000 Transmitter Input Receiver Controller, a precision device designed for pneumatic control systems. This RKSR 4000 unit combines a nozzle and flapper relay with direct reverse action to deliver accurate signal transmission for dampers and valves. Key features and benefits include a 1 4 inch barb air connection for easy tubing, stem mounting for secure installation, rebuildable design for long term reliability,

It carries global approvals (CUL

supporting consistent heat output and safer

Timing range 10–1000 seconds

and other temperature-controlled units

dependable operation across furnaces

and simplifies maintenance with modular components and clear diagnostic indicators

it integrates with standard oil gauge components and aligns with common repair practices for oil tank monitoring

Easy installation: designed for straightforward mounting with standard fittings

Nominal size 3/4" and threaded bonnet

regulator set points 0

The fan-assisted mechanism improves actuation reliability in varied operating conditions

Safety/operation: Safety shut-off