Restore accurate heating control with this mechanical thermostat rated at 192F, designed to replace Hatco part 358E-522. Engineered for precision temperature regulation, it's an essential component for maintaining optimal performance in Hatco booster and water heaters. Ideal for C-series and S-series units, this thermostat ensures consistent operation and protects against overheating. Key Features Direct replacement for Hatco 358E-522 Mechanical design ensures durability and ease of use Temperature rating: 192F (thermostatic cut-off) Maintains stable water temperature for heater performance Ideal for commercial booster heaters and sanitizing applications Specifications Type: Mechanical Thermostat Temperature Limit: 192F Voltage Rating: 120V/240V (system dependent) Application: Booster/water heater temperature control Mounting Style: Screw-mount Connection Type: Terminal leads Compatible Models Designed for Hatco heaters, including: C-4 C-6 C-8 C-12 S-6 S-7 S-9 S-12 And other units from the C and S series (35 models total) Why Choose This Item This thermostat control is the trusted solution for ensuring safe and consistent heating in your Hatco units. Its mechanical reliability and precise temperature control make it ideal for commercial environments where water heating accuracy is critical. Avoid downtime and extend the life of your equipment with this quality replacement part.