The seat is strategically positioned above the drain to ensure water cannot be trapped

Precise Electrical Compatibility: Optimized for 120V/60Hz AC solenoid valve circuits to prevent premature coil failure

this SPST (Single Pole Single Throw) device is calibrated to open the circuit at a fixed 350 degrees F

providing the reliability required for 24-hour heating cycles in residential and light commercial boilers

Emerson Alco 028388 Indicator 318973-401 The seat is strategically positionedThe Emerson AMI 2S13 (Part Number 028388) is a high capacity 1 5 8" sweat moisture liquid indicator designed for critical monitoring in industrial HVACR systems. Engineered for CFC, HCFC, and HFC refrigerants, this sight glass provides immediate visual confirmation of liquid line conditions and system moisture levels. With a 650 PSI maximum working pressure, it is built to withstand high pressure environments common in commercial refrigeration racks.