The Johnson Controls DPT2640-0R5B is a high-precision differential pressure transmitter designed for critical HVAC and building automation applications

Enhanced Durability: Constructed with high-grade electrical contacts to withstand frequent switching cycles in commercial HVACR applications

the CTR2881's integrated auxiliary switch allows for simultaneous control of secondary circuits

OEM Compatibility: Seamlessly fits Nor'East Controls Series 8600/8900 and V5011 series valves without modification

It is compatible with a wide range of Trane and American Standard equipment

Siemens Combustion RWF55.50A9 Controller 321142-301 The Johnson Controls DPT2640-0R5B isThe Siemens Combustion RWF55. 50A9 Controller is a high performance, 3 position analog controller engineered for precise temperature and pressure regulation in multi stage or modulating burners. This compact universal controller features a built in RS 485 Modbus interface, allowing for seamless integration into complex combustion management systems or master lead lag panels. Designed with a 96x48mm standard DIN profile, it provides a dual 4 digit LCD