including the Lennox G41UF

The Belimo GMB24-SR is a high-torque

which ensures precise timing and reliable flame rectification sensing

the AFS-460-DSS handles a maximum pressure of 0

making it compatible with various OEM fan configurations

Siemens DDC 540-104-R Control 320735-701 including the Lennox G41UFThe Siemens DDC 540 104 R Control is a ruggedized Terminal Equipment Controller (TEC) designed specifically for constant volume (CV) ventilation systems in demanding commercial and industrial environments. This refurbished constant volume controller arrives pre loaded with application specific algorithms to handle cooling only, hot water reheat, or multi stage electric reheat sequences. Engineered for Direct Digital Control (DDC), the 540 104 R