this black control knob provides the necessary leverage and indexing for accurate mixing valve calibration in both residential and commercial hydronic systems

The Emerson Alco 049190 Gasket Kit (KG10025) is a critical 12-pack maintenance solution designed for high-performance refrigerant leak prevention

oil-resistant round phenolic case for longevity in demanding mechanical rooms

identical to the 4074EDC/U

this switch provides precise thermal sensing and long-term durability against constant expansion cycles

Copeland Comfort Control (White Rodgers) F92-0228 Seal Kit this black control knob providesThe White Rodgers F92 0228 Seal Kit is a field serviceable solution designed specifically for 1 inch 1300 series hydronic zone valves. As a direct OEM replacement water seal kit, it provides the necessary internal components to address leaks at the valve stem, preventing moisture damage to the actuator or surrounding boiler components. This kit is engineered for compatibility with 1 inch models, including the 1311 103, 1311 132, 1315 103, 1361 103,