Functional Devices-RIB TR40VA002 Transformer System Versatility: Supports both direct

System Versatility: Supports both direct acting and reverse acting pneumatic thermostat configurations

OEM Standards: Manufactured to original factory specifications for exact electrical and mechanical compatibility with York/Coleman systems

With power disconnected

or a cracked heat exchanger causing abnormal heat distribution

The "L" indicates it is a Limit control (normally closed

Functional Devices-RIB TR40VA002 Transformer System Versatility: Supports both directFor high reliability power conversion in building automation and HVAC control systems, the Functional Devices RIB TR40VA002 Transformer provides a robust 40VA solution. This heavy duty 120V to 24V step down transformer is engineered for continuous duty applications where stable secondary voltage is critical for powering sensors, driving relays, and managing digital I O circuits. With its inherently limited overcurrent protection, this Class 2 UL 1585