Anti-freeze Protection (Boiler Anti-Freeze)
Concentrated and ready to use -50º F and -100º F anti-freeze for boiler and summer vacation home for boilers with or without aluminum components.
Dear Customer,
We appreciate your interest in our effective and innovative ComStar products.
As of January 1, 2018, The U.S. Environmental Protection Agency (EPA) requires all buyers of refrigerants that contain CFCs, HCFCs or HFCs to be certified technicians.
You will be asked to complete a short form and upload your technician’s certified ID to complete your order in the cart.
Thank you!
Dear Customer,
We appreciate your interest in ComStar's effective and innovative products.
Please note that the item you have placed in your cart is considered a hazardous product and cannot be returned unless the receiver has a hazmat shipping license. Most hazardous materials may not be returned by mail.
