A.O. SMITH AMERICAN WATER HEATER Inlet Water Filter 100074382

A.O. SMITH AMERICAN WATER HEATER Inlet Water Filter 100074382

Protect your tankless water heater’s performance and longevity with the genuine OEM 100074382 Inlet Water Filter. This high-quality replacement screen filter captures sediment, debris, and particulates before they enter your unit, preventing clogs, reduced flow, and potential damage to the heat exchanger.

Compatible Brands and Models

This filter is a direct OEM part used across multiple leading brands:

• A.O. Smith
• Takagi
• Lochinvar
• State
• American Water Heater

It fits popular residential tankless models, including the GTS / ATI / GT 110, 310, and 510 series (and equivalents). Always verify your model number for exact compatibility.

Key Specifications

• Part Number: 100074382
• Type: Inlet water filter / screen (primary filtration)
• Genuine OEM: Manufactured to exact factory specifications for perfect fit and performance
• Application: Cold water inlet on tankless water heaters
• Easy Installation: Designed for straightforward replacement (often accessible without major disassembly)

Benefits

• Prevents Clogs and Malfunctions: Traps sediment and debris that can restrict water flow and trigger error codes.
• Maintains Efficiency: Keeps your system running at peak performance, helping deliver consistent hot water on demand.
• Extends Unit Lifespan: Reduces scale buildup and internal wear, potentially saving on costly repairs.
• Simple Maintenance: Regular cleaning or replacement (recommended every 6–12 months depending on water quality) ensures optimal operation.
• Peace of Mind: Genuine OEM part guarantees compatibility and reliability—no guesswork with universal alternatives.

Whether you’re servicing a Takagi, A.O. Smith, Lochinvar, or compatible unit, this filter is an essential, affordable way to safeguard your investment.