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The HVAC Elbows, Couplings & End Caps category brings together the core fittings that build, extend and terminate your piping runs on residential and light-commercial systems. From refrigerant line sets and condensate drains to hydronic loops and utility piping, the right combination of elbows, couplings and caps keeps every run leak-free, properly sloped and service-friendly for the life of the equipment.
In this section you'll find 90° and 45° elbows, street elbows, straight couplings, reducing couplings, unions and end caps in the sizes and materials commonly used for HVAC work. Depending on the product line, that includes copper, brass, PVC, CPVC and ABS fittings suitable for refrigerant piping, condensate drains, venting and equipment connections. Matching fittings to the system design helps maintain proper flow, minimize pressure drop and keep your installs tight even in tight chases and mechanical rooms.
When selecting HVAC elbows, couplings and end caps, always verify pipe material, outside diameter or nominal size, operating pressure, fluid type (refrigerant, water, condensate), temperature rating and local code requirements. Refrigerant and hydronic lines typically use copper or brass fittings, while condensate drains often rely on PVC or CPVC. Correctly sized fittings also help maintain trap depth, slope and clearance around framing and finishes.
Pro tip: For service-critical locations—such as coil connections and pump tie-ins—use unions or removable caps rather than permanent joints. That small decision can save hours of cutting and re-piping when equipment needs to be replaced or upgraded.
HVAC elbows, couplings and end caps for refrigerant, condensate and hydronic piping, including 90 and 45 degree elbows, straight and reducing couplings, unions, caps and plugs in copper, brass, PVC and CPVC for residential and light-commercial systems.
There are no products listed under this category.