Trane SWT3555 Switch 320788-703 often referenced as a replacement

often referenced as a replacement thermostat for Marley baseboard heaters

Does this check valve work with high-pressure refrigerants

it is optimized for managing air and water line flow with high efficiency

making it ideal for monitoring condensate

Trane SWT3555 Switch 320788-703 often referenced as a replacementThe Trane SWT3555 Switch is a critical low pressure cutout designed for precision monitoring in commercial and residential HVAC systems. Engineered for high reliability compressor protection, this snap action differential pressure switch features a fixed setpoint that triggers an open circuit at 24 PSI and restores the connection at 45 PSI. By acting as a fail safe, the Trane SWT3555 prevents the system from operating under a loss of charge condition