The LAC series should be installed in the liquid line

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

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

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

Siemens Combustion RWF55.50A9 Controller 321142-301 The LAC series should beThe 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