AO Smith 9004238215 Upper Probe KitAO Smith 9004238215 Kit Upper Probe is a precision replacement part designed to fit compatible AO Smith water heaters. This upper probe kit delivers accurate temperature sensing and dependable operation, helping maintain optimal performance without guesswork. Engineered for durability, this sensor assembly uses corrosion resistant materials and tight tolerances to withstand hot water environments. Its a straightforward upgrade for maintenance and

cooling tower

making it suitable for a variety of system layouts

Installers appreciate fast commissioning thanks to standardized 3/4 inch connections and clear regulator specs

By closely monitoring draft and pressure

Fuel types: Natural

part of a broader line of AO Smith parts and replacement components

It supports consistent flame ignition and improved overall efficiency

this air flow switch offers dependable performance in commercial environments

The Amtrol ST-60V Thermal Expansion Tank is a vertical stand unit designed for reliable pressure management in closed potable water systems

the White-Rodgers 90-360 Enclosed Relay provides reliable general switching for heating and cooling systems in demanding environments

the 9-inch screw-in element features a robust

Designed for HVAC systems