Trane SWT3403 Pressure Switch 326058-758 this Weil-McLain boiler part includes

this Weil-McLain boiler part includes a 1/2" NPT immersion well for direct mounting into the heat exchanger or manifold

and tubing for a streamlined installation

and lockout recovery

or wiring issues that lead to the heater being energized during the "on" cycle

or significantly uneven baking results caused by a drifting calibration in the thermal bulb

Trane SWT3403 Pressure Switch 326058-758 this Weil-McLain boiler part includesThe Trane SWT3403 is a high performance OEM high pressure switch designed specifically for refrigeration and air conditioning systems where system integrity is non negotiable. Engineered to act as a critical safety cutoff, this manual reset pressure switch (or automatic depending on system configuration) monitors refrigerant pressure to protect the compressor from catastrophic failure. This specific unit is calibrated with a precise operating pressure