Lochinvar & A.O. Smith 100173749 Heat Exchanger Access Door WB

Description

Lochinvar & A.O. Smith Heat Exchanger Access Door WB — Part #100173749

The Lochinvar & A.O. Smith 100173749 Heat Exchanger Access Door WB is a genuine OEM replacement component engineered specifically for compatible WB-series water boilers. Designed to provide secure, properly sealed access to the heat exchanger section, this door ensures technicians can perform inspections, maintenance, and service with confidence while maintaining the integrity of the combustion and heat transfer chamber.

Key Features

• Genuine OEM replacement part from Lochinvar & A.O. Smith
• Designed for WB-series water boiler applications
• Provides secure access to the heat exchanger section for inspection and service
• Engineered for a precise, leak-free fit to maintain combustion chamber integrity
• Durable construction built to withstand the thermal demands of boiler operation
• Direct drop-in replacement — no modifications required

Application

This access door is intended for use with Lochinvar and A.O. Smith WB-series boilers. Always verify compatibility with your specific boiler model before installation. For best results, replace with a genuine OEM part to ensure proper sealing, safe operation, and continued warranty compliance.

Why Choose OEM?

Using genuine Lochinvar & A.O. Smith replacement parts ensures your boiler operates at peak efficiency and safety. OEM components are manufactured to exact specifications, reducing the risk of improper fit, combustion issues, or heat exchanger damage that can result from aftermarket substitutes.