Keep your ice machine pristine with the Nickel-Safe Ice Machine Cleaner NSC1. This 1 Gallon solution is specially formulated to remove scale in ice machines with nickel-plated evaporators, compatible with B81-174 models. Each 16 ounces of cleaner efficiently cleans a system with up to 3 gallons of sump water, ensuring optimal performance and cleanliness. Trust Appliance Parts Center, a family-owned store in Sacramento with over 25 years of experience and a vast in-stock inventory, for expert advice on finding the right part.