Description
Lochinvar & A.O. Smith 100343393 PM Service Kit — Shield SW
Keep your Shield SW water heater or boiler operating at peak performance with the Lochinvar & A.O. Smith 100343393 Preventive Maintenance (PM) Service Kit. Engineered specifically for Shield SW units, this OEM kit provides technicians with the essential components needed to perform a thorough, factory-recommended service interval — reducing downtime, extending equipment life, and maintaining optimal efficiency.
Why Choose an OEM PM Service Kit?
Using genuine Lochinvar & A.O. Smith replacement components ensures proper fit, function, and compatibility with your Shield SW equipment. Aftermarket substitutes can compromise system reliability and void manufacturer warranties. This kit simplifies the service process by bundling the necessary maintenance parts into a single, convenient package.
Key Features & Benefits
- OEM-engineered preventive maintenance kit designed for Lochinvar & A.O. Smith Shield SW units
- Bundles critical service components for a streamlined maintenance process
- Helps maintain factory-rated efficiency and performance
- Supports extended equipment life and reduced risk of unexpected failures
- Simplifies inventory management for service technicians
- Ensures warranty compliance with genuine manufacturer parts
Application
- Compatible Equipment: Lochinvar & A.O. Smith Shield SW water heater/boiler series
- Use: Scheduled preventive maintenance and service intervals
- SKU: 100343393
Ordering Information
For questions about compatibility with your specific Shield SW model or to confirm part fitment, contact the Jackson Systems team. Always reference the equipment model and serial number when ordering maintenance kits to ensure the correct components are supplied.







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