Service First SWT04164 FRS1 Flame Rollout Switch 1/2" NPT

Trane SWT01649 1/2" Reverse Flow Switch 105 Open 95 Close NPT

Pump Switch Controller Automatic Water Pressure Booster Electronic Flow G3/4 to

Trane SWT04156 Reverse Air Flow Switch

Service First SWT02685 Ind Limit Switch L155-60F OEM Factory Specified Part

DC 4.5V 1/2" Electric Solenoid Valve Automatic Sensor Flush-Valve Flow Switch

Trane SWT1653 1/2" Reverse Flow Sw; 110Op 100Cl

GEMS FS-400P Flow Switch | 1/2" NPT | Liquid Flow Sensor 133805