Lochinvar & A.O. Smith 100145536

The Lochinvar & A.O. Smith 100145536 is a critical Insulation Bottom Cover Frame (INSULBTMCF) designed to maintain the thermal integrity of the combustion chamber in high-efficiency boiler and water heater systems. As a veteran tech, you know that degraded base insulation leads to excessive cabinet heat and lost efficiency. This OEM replacement part provides a high-temperature thermal barrier at the unit's base, ensuring that heat energy is directed toward the heat exchanger rather than dissipating through the floor or frame. It is engineered for a precise fit to minimize noise and vibration during the firing cycle, resulting in a quieter, more stable operation.

When performing a combustion chamber teardown, replacing a compromised insulation kit is non-negotiable for system safety. This Lochinvar genuine part is built to withstand rigorous thermal cycling without sagging or obstructing airflow. Proper installation of the 100145536 insulation ensures the boiler operates within its designed temperature parameters, protecting the structural integrity of the base frame and surrounding components from heat damage.

• Maximizes Thermal Efficiency: Reduces standby heat loss by containing combustion energy within the chamber.
• Precision Fit: Designed as a direct OEM replacement to ensure no gaps or thermal leaks at the boiler base.
• Vibration Dampening: Minimizes operational resonance for a quieter mechanical room environment.
• Structural Protection: Prevents heat-related warping of the bottom cover frame and internal chassis.

When should this insulation be replaced?
Replace the 100145536 if you observe cracking, thinning, or water damage during a boiler heat exchanger inspection. Wet or degraded insulation loses its R-value and can lead to safety shut-offs.

Is this compatible with both Lochinvar and A.O. Smith units?
Yes, as an interchangeable OEM part, it is specified for several commercial and residential platforms shared by both brands. Always verify your specific model and serial number before installation.

Does this part include the metal frame or just the insulation?
The INSULBTMCF typically refers to the integrated insulation layer and its supporting bottom cover structure, engineered for direct bolt-on installation.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.