Resideo 123869A 1/2" Copper Well Assembly 1.5" Insulation 3" Insertion

The Resideo 123869A is a 1/2-inch copper well assembly designed to house and protect temperature sensing elements in HVAC systems. With 1.5-inch insulation and a 3-inch insertion length, it installs into piping to allow accurate temperature measurement without direct sensor contact with fluid. Commonly used in boilers, hydronic heating systems, and water heaters, this well assembly ensures precise sensing and easy sensor replacement. Its durable copper construction enhances heat transfer, improves reliability, reduces maintenance time, and supports efficient system performance.