Lochinvar & A.O. Smith 100189393 Gas Valve Kit Nat/LP for FTX400

Lochinvar & A.O. Smith 100189393 Gas Valve Kit — Natural/LP for FTX400

Keep your Lochinvar or A.O. Smith FTX400 water heater running at peak performance with this OEM-grade gas valve replacement kit. Designed as a direct-fit solution, the KITGASVALVENAT/LPFTX400 supports both natural gas and liquid propane (LP) configurations, making it a versatile service part for technicians working across a range of residential and light-commercial installations.

Key Features

• OEM replacement gas valve kit engineered for Lochinvar and A.O. Smith FTX400 series water heaters
• Compatible with both natural gas (NAT) and liquid propane (LP) fuel types
• Direct-fit design for straightforward field installation with minimal downtime
• Restores precise gas flow regulation and reliable burner ignition
• Manufactured to original equipment specifications for consistent, dependable performance
• Helps maintain proper combustion efficiency and system safety

Application

• Compatible Equipment: Lochinvar & A.O. Smith FTX400 series water heaters
• Fuel Type: Natural Gas (NAT) / Liquid Propane (LP)
• Part Type: Gas Valve Replacement Kit
• OEM Part Number: 100189393
• Model Reference: KITGASVALVENAT/LPFTX400

Why Choose OEM Parts?

Using genuine Lochinvar & A.O. Smith replacement components ensures compatibility, preserves equipment warranties, and meets manufacturer safety standards. The 100189393 gas valve kit is the trusted choice for HVAC and plumbing professionals who demand reliable, long-lasting repairs on FTX400 water heaters.