Hearthstone Baffle Board – 2426A | Replaces 3120-202 | Fits Mansfield 8011 & 8012 | Superwool Plus | 2100°F Heat Rating | Made in USAKeep your Hearthstone Mansfield stove running at peak performance with the Lynn Manufacturing 2426A Replacement Baffle Board. Designed as a direct replacement for Hearthstone part 3120-202, this high-temperature board is crafted from Superwool Plus, a durable, safe alternative to traditional ceramic fiber. It helps maintain the stove’s secondary combustion zone, improving efficiency, heat output, and emissions performance.Key Features:• Direct Replacement – Replaces Hearthstone 3120-202 with a precise fit• EPA Compliant – Supports secondary burn for cleaner, more efficient combustion• Extreme Heat Rating – Withstands continuous use up to 2100°F• Safe Material – Made from Superwool Plus, a non-carcinogenic ceramic fiber alternative• Rigidized Grey Finish – Reinforced surface adds strength and resists cracking• Made in the USA – Expertly manufactured by Lynn Manufacturing• Pair With – Lynn Blanket 2426E (replaces Hearthstone 3120-201) for a full baffle system upgradeSpecifications:• Product Name: Hearthstone Mansfield Baffle Board• Part Number: 2426A• Replaces: Hearthstone 3120-202• Compatibility: Mansfield 8011 & 8012 wood stoves• Dimensions: 18-1/2″ x 12″ x 1/2″• Material: Rigidized grey Superwool Plus• Temperature Rating: Up to 2100°F• Manufacturer: Lynn Manufacturing• Country of Origin: USAWhy Choose the Lynn 2426A Baffle Board?The 2426A is engineered to restore your Mansfield stove’s efficiency by maintaining proper secondary combustion. With safe, durable Superwool Plus construction, it ensures long-term performance and compliance with EPA emissions standards.Upgrade your Hearthstone Mansfield with the Lynn Manufacturing 2426A Baffle Board – built for high heat, safety, and reliable efficiency.








