Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
Boiler Rust Inhibitor is a highly concentrated liquid buffered Nitrite/ Borate/ Silicate inhibitor designed for closed loop or open loop Woodstoves or Wood Boilers with minimal water loss. It is: Designed to work with all makes and models of outdoor wood furnaces, woodstoves, and commercial and residential boilers. Formulated to provide proper corrosion protection for copper, mild steel, stainless steel, and aluminum. It may be used with either hard or soft water and is compatible with glycol anti-freeze. One gallon will treat 250 to 500 gallons of make-up water. Contains a P Indicator for ease of proper dosage detection (turns your water a light pink). For systems closer to 500 gallons or if your ground water is low in alkalinity the water may not turn pink, although there will be adequate corrosion protection. Safe for yearly storage if stored in cool, dark area. $1,000,000 product quality insurance quality! ISO manufactured! Just add directly to your system. Product meets all D.O.T. shipping regulations.
I used Chemworld's rust inhibitor in my wood boiler and couldn't be happier! The 1-gallon size was perfect for my needs. I've noticed a significant reduction in rust signs. Highly valuable for boiler maintenance!
C
Carlos Mendoza
Arrived damaged, but product works
I was really disappointed that the bottle arrived with a dented seal, but I tried the Chemworld rust inhibitor anyway. Once I mixed it in, it worked fine for my 450 gallons of water. Just wish it had arrived in better shape!
R
Ravi Patel
Not completely satisfied
While the Chemworld inhibitor works, I did have an issue with the labeling on the bottle. It wasn't clear how much to use for my specific setup, which made dosing a bit tricky in the beginning. Still, it seems to reduce rust well.
M
Maya Johnson
A must for wood boilers!
This 1-gallon Chemworld rust inhibitor is a must-have for anyone with a wood boiler. It really keeps the system clean and rust-free. I love that it treats up to 500 gallons — perfect for my setup!
E
Evelyn Torres
Great for my wood boiler system
I bought the Chemworld Boiler Rust Inhibitor for my wood boiler and it works wonders! It treated about 400 gallons efficiently, and I noticed less rust buildup since I started using it. Definitely a solid investment for maintaining my system.
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.