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Lynn JM-28 Insulating Firebrick 2-1/2″x4-1/2″x9″ MFG# 3130T

SKU: 3130T
Weight 4 lbs
Dimensions 12 × 11 × 5 in
Condition

New

Manufacturer Part Number

3130T

Brand

Lynn Manufacturing Inc

$45.26

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing
QuantityUnit priceSaving
1–4$45.260%
5–9$43.005%
10+$40.7310%

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Lynn JM-28 Insulating Firebrick – 2-1/2″ x 4-1/2″ x 9″

The JM-28 Insulating Firebrick by Lynn Manufacturing (MFG# 3130T) is a lightweight, high-temperature refractory brick designed for use in propane, LP gas, and natural gas combustion systems.

Engineered for superior insulation performance, this firebrick features low thermal conductivity and low heat storage, making it ideal for improving fuel efficiency and maintaining consistent combustion temperatures.

✅ Common Applications:

  • Gas Furnaces

  • LP & Natural Gas Boilers

  • Industrial Ovens

  • Kilns

  • Combustion Chambers

  • Refractory Linings

✅ Key Features:

  • Lightweight porous refractory design

  • Quick heat-up and cool-down performance

  • Reduces burner noise

  • Easy to cut and size with hand tools

  • Improves combustion efficiency

  • Excellent insulation for high-temperature environments

📏 Specifications:

  • Model: JM-28

  • MFG#: 3130T

  • Size: 2-1/2″ x 4-1/2″ x 9″

  • Material: High-temperature insulating refractory ceramic

  • Color: Off-white

This insulating firebrick is ideal for use in systems running propane, LP gas, or natural gas, helping maintain proper combustion chamber temperatures while reducing energy loss.

Perfect replacement brick for service technicians, HVAC professionals, and industrial gas equipment maintenance

Important Notice – Propane Parts, Accessories, and Regulators

This product, including but not limited to propane parts, accessories, fittings, hoses, valves, and regulators, must be installed and serviced by a licensed professional in accordance with all applicable local, state, and federal codes, regulations, and standards.

The seller assumes no responsibility for the installation, inspection, application, maintenance, or use of this product.

It is the sole responsibility of the buyer to ensure the product is appropriate for their intended application and that it is installed correctly by a qualified individual.

Improper installation, maintenance, or use of propane products may result in serious injury, death, fire, explosion, or property damage.

The buyer accepts all risks, liabilities, and potential consequences associated with the use of this product.

By purchasing this item, the buyer acknowledges that they have read, understood, and agreed to these terms and confirm that installation and use will be conducted by a properly licensed and qualified professional.

Match the manufacturer part number and equipment model to the listing. Check connection sizes, fuel type, pressure or capacity, voltage and dimensions where applicable. A similar appearance or part number alone does not confirm compatibility.

For help, send a parts inquiry with the part number, equipment model, label photos and quantity. Manufacturer documents and item-specific information, when supplied, are in the product details above.

Availability may include our inventory and supplier sources. Listed stock does not by itself confirm immediate dispatch. Ask us to confirm a ship date before ordering for time-sensitive work.

Shipping methods and charges appear at checkout where available. Freight, oversized and specially handled items may require a quote. See our Shipping Policy for processing periods, restrictions and delivery information.

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