the isolated coil 36VDC terminal requires a dedicated ground wire to the coil circuit

ensuring the valve defaults to the open position upon loss of signal

Featuring a robust brass body and a durable EPDM diaphragm

making it compatible with various Trane and American Standard furnace models

The White-Rodgers 90-340 Relay is a heavy-duty 2PDT 24V switching relay engineered for reliable performance in fan control centers and general-purpose HVAC applications

Trane SEN0335 Flow Sensor R-407C the isolated coil 36VDC terminalThe Trane SEN0335 Flow Sensor (OEM Part # SEN00335) is a high precision airflow monitoring component engineered for commercial and residential HVAC systems. Unlike basic mechanical switches that only provide binary on off feedback, this thermal flow sensor utilizes advanced sensor tube technology to provide continuous, real time data on air velocity and volume within the ductwork. This constant feedback loop is essential for HVAC system diagnostics,