Johnson Controls T22ABC-3 Thermostat Freon provided the shell size matches

provided the shell size matches the 1-1/8 inch specification

this Goodman OEM part is designed to match the factory-specified free area ratio

Both refer to the same Mueller W04068 part designed for 1-3/8" outside diameter copper tubing

7/8" Sweat Connections: Durable copper-to-copper ODF fittings ensure leak-free brazing into heavy-duty liquid lines

With a certified discharge capacity of 535

Johnson Controls T22ABC-3 Thermostat Freon provided the shell size matchesThe Johnson Controls T22ABC 3 is a professional grade line voltage wall thermostat engineered for high accuracy heating applications. This SPST (Single Pole Single Throw) controller is specifically designed for unit heaters, fan coils, and electric heat systems where reliable performance is non negotiable. It features a liquid charged sensing element that provides a tight 1 3 4 degree differential without the need for additional anticipators, ensuring