ComStar Water Glass Glue, 8 Oz High Temperature Combustion Chamber Glue, Super Strong Adhesive for Boilers & Furnaces, Heat & Chemical Resistant, Repairs & Sets Refractory Chambers, (40-409)

ComStar Leak Bubbles Yellow HVAC & Gas Detector, Fastest-Acting Leak Detector in Today\'s Market - Safe, Non-Corrosive, Long-Lasting Bubbles, Detects Micro Leaks, Made in USA, 1 Quart Spray (90-204)

ComStar Chem Vac Soot Remover Sticks,1 Sticks, The Original Soot Stick, Fast-Acting Boiler and Furnace Cleaner, Removes Soot and Creosote, Easy Drop-in Use (Pack of 12)

ComStar Copper Lock, 2 oz, Liquid Solder for Copper & Brass Pipes - Permanent Pinhole Leak Fix & Pipe Repair - No Heat, No Torch Plumbing Adhesive - High Pressure HVAC Sealant Up to 500 PSI (10-800)

ComStar Super Heat, 8-in-1 Fuel Oil Treatment, Controls Waxing & Jelling, Melts Ice, Lowers Pour Point, Dissolves Sludge, Reduces Soot, Rust, Water, Cleans Parts, Made In USA, 8 Ounces (60-129)

ComStar Super Heat, 8-in-1 Fuel Oil Treatment, Controls Waxing & Jelling, Melts Ice, Lowers Pour Point, Dissolves Sludge, Reduces Soot, Rust, Water, Cleans Parts, Made In USA, 16 Ounces (60-130)

ComStar Water Glass Glue, High Temperature Combustion Chamber Glue, Super Strong Adhesive for Boilers & Furnaces, Heat & Chemical Resistant, Repairs & Sets Refractory Chambers, 1/2 Gallon (40-415)

ComStar Water Glass Glue, High Temperature Combustion Chamber Glue, Super Strong Adhesive for Boilers & Furnaces, Heat & Chemical Resistant, Repairs & Sets Refractory Chambers, 1 Quart (40-410)

ComStar Commercial Lye | Sodium Hydroxide Beads with Natural Blue Dye | Eco-Friendly, Industrial Strength, Biodegradable Drain Opener | Static-Free, Unique Beads for Soap Making | 2 lb. (30-620).

ComStar Boiler Treatment w/Blue Color Indicator, Boiler Water Cleaner & pH Neutralizer, Prevents Rust, Scale in Boiler Water Without Flushing, Helps to Remove Oil & Sludge, 1 Gallon (35-145)

ComStar Chem Vac Soot Remover Sticks, The Original Soot Stick, Fast-Acting Boiler & Furnace Cleaner, Removes Soot & Creosote, Boosts Heating Efficiency, Quick & Easy Drop-in Use, 1 Stick (35-515)

ComStar All Coil Cleaner, Universal Coil, Fan & Filter Cleaner, Non-Acidic, Eco-Friendly, Dilutable, Made In USA, 1 Gallon (90-180)

ComStar Ice Machine Cleaner, Designed to Remove Scale & Lime Deposits, Food-Grade Liquid, Most Effective Food Grade Liquid Descaler, Made in USA, 16 Ounces (90-351)

ComStar Furnace Cement, Ready-to-Use Refractory & Retort Cement, High Temperature Cement, Fireproof, Acid-Proof, Gas-Tight, Smokeless, Bonds to Stone, Metal, Brick, Ceramic, 1 Pint (40-355)

ComStar Super Heat, 8-in-1 Fuel Oil Treatment, Controls Waxing & Jelling, Melts Ice, Lowers Pour Point, Dissolves Sludge, Reduces Soot, Rust, Water, Cleans Parts, Made in USA, 1 Gallon (60-145)

ComStar ProFrost CI-100, Propylene Glycol Heat Transfer Fluid Anti-Freeze with Neon Green Color & Inhibitor, Ready to Use Formula, 100% Propylene Glycol, Made in USA, 5 Gallon (35-723)

ComStar ProFrost I-50, Propylene Glycol Heat Transfer Fluid Anti-Freeze with Inhibitor, Prediluted to 50%, 50% Propylene Glycol, Made in USA, 5 Gallon (35-758)

ComStar Valuline Evaporator Coil Cleaner, Economical Self-Rinsing AC Evaporator, Biodegradable, Non-Toxic, Neutral pH, Made in USA, 1 Gallon (90-910)

ComStar Powdered Concrete Cleaner, Heavy-Duty All-Purpose Cleaner for Concrete, Masonry, Brick, Tile, Grouting & Tire Rims, Made in USA, 5 Gallon (05-072)

ComStar Electric Motor Oil, Non-Detergent, Premium Lubrication for Electric Motors, Oil Burners, Compressors, Circulators, Refrigeration Systems, Boosts Performance, Extends Motor Life, 1 Gal (45-440)

ComStar A/C Zero-Leak, Permanent \"Stop Leak\" for A/C Systems, Seals Leaks Instantly, Non-Hardening, Polymer-Free, Eco-Friendly, Made in USA, 4 Ounces (90-700)

ComStar Dirty Sox Odor Eliminator Aerosol with Trigger Spray, A/C System Odor Neutralizer & Cleaner, Cleans Coils & Humidifier Filters, Safe on Metal, Made in USA, 14 Oz (90-655)

Comstar 30-500 Pure Lye Drain Opener, Odorless, 1 Lb (Pack of 3)

Comstar 90-203 Leak Seek Gas Leak Detector, 8 oz. Bottle, Fluorescent Yellow