Description
The Lochinvar & A.O. Smith 100217961 is an OEM replacement differential dip tube engineered to maintain proper cold water inlet and hot water outlet separation inside your water heater tank. Measuring 3/4″ x 3″ x 40″, this dip tube is designed to direct incoming cold water to the bottom of the tank, preventing it from mixing with the heated water at the top — maximizing thermal efficiency and ensuring consistent hot water delivery.
Key Features
- OEM Lochinvar & A.O. Smith replacement part — ensures precise fit and reliable performance
- Differential dip tube design directs cold inlet water away from the hot water outlet zone
- Dimensions: 3/4″ diameter x 3″ fitting x 40″ length for deep-tank cold water delivery
- Helps maintain hot water output temperature and system efficiency
- Ideal for restoring water heater performance when the original dip tube has cracked, broken, or deteriorated
Specifications
- SKU: 100217961
- Brand: Lochinvar & A.O. Smith
- Diameter: 3/4″
- Fitting Size: 3″
- Length: 40″
- Type: Differential Dip Tube
- Application: Water Heater Replacement Part
Application
This differential dip tube is a direct OEM replacement for compatible Lochinvar and A.O. Smith water heater models. A failed or deteriorated dip tube is a common cause of reduced hot water supply and inconsistent water temperatures. Replacing it with the correct OEM part restores full tank performance and extends the service life of the unit.
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