Thermo-Coil W-H-9-C Water Heater Thermostat

Description:

The Thermo-Coil W-H-9-C (WH9C) Water Heater Thermostat is used in commercial electric water heaters to regulate water temperature and maintain safe, reliable heating performance. Commonly installed in lower single-element commercial water heaters from Bradford White and other systems utilizing Apcom, Therm-O-Disc, Robertshaw, National Brand, or Reliance-style thermostats. Maintenance technicians and facility engineers use this thermostat for water heater repair, preventive maintenance, and replacement of failed temperature controls.

Applications:

The Thermo-Coil W-H-9-C (WH9C) is a commercial-grade, single-pole single-throw (SPST) thermostat designed for lower-element electric water heater applications. It provides accurate temperature regulation with an adjustable range of 135°F to 180°F and is engineered for reliable performance in commercial kitchens, hotels, hospitals, schools, manufacturing facilities, and other commercial buildings requiring dependable hot water temperature control.

Technical Specifications:

• Manufacturer: Therm-Coil Manufacturing Co.
• Part Number: W-H-9-C (WH9C)
• Product Type: Commercial Electric Water Heater Thermostat
• Thermostat Type: Single Pole, Single Throw (SPST)
• Mounting Location: Lower Single-Element Water Heater
• Temperature Adjustment Range: 135°F to 180°F (57°C to 82°C)
• Calibration: 140°F ±5°F at "LO" Setting
• Temperature Differential: 7°F to 17°F Below Calibration Temperature
• Voltage Rating: 208 VAC to 480 VAC
• Current Rating: 30 A @ 120–250 VAC, 22 A @ 277 VAC, 12.5 A @ 480 VAC
• Pilot Duty Rating: 125 VA @ 120–480 VAC
• Includes: Thermostat Cover
• Compatible Equipment: Commercial Electric Water Heaters using Apcom, Therm-O-Disc, Robertshaw, National Brand, Reliance, and Bradford White-compatible controls
• Country of Manufacture: USA

Common Replacements:

• Apcom WH9C Commercial Water Heater Thermostat
• Therm-O-Disc Commercial Lower Water Heater Thermostat
• Robertshaw Commercial Lower Electric Water Heater Thermostat