Green Patch 421 Refractory Repair Boiler Mortar | Harbison-Walker High-Temperature Boiler Repair Compound | 15 LB Pail

$Green Patch 421 Refractory Repair Boiler Mortar | Harbison-Walker High-Temperature Boiler Repair Compound | 15 LB Pail$

Key features

•Premium-grade refractory repair compound
•Specifically formulated for high-temperature environments
•Ideal for furnaces, boilers, kilns, and industrial equipment
•Unique green color for easy identification
•Resistant to thermal shock, chemical corrosion, and erosion

BrandBoiler Supplies.com

CategoryWall Repair

ColorGreen

Green Patch 421 Refractory Repair Boiler Mortar | Harbison-Walker High-Temperature Boiler Repair Compound | 15 LB Pail

List Price: $157.14$141.43DEALYou Save: $15.71 (10%)

Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 23, 2026In Stock (30)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection

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