Announcing a Shaver Wood Furnace
World Exclusive
 

Simply add 5 gallons of Rust Blocker when new and then do nothing more for 5 years - no more annual water tests - no more adding costly chemicals - no more draining and refilling of the water tank - as is often required with all other manufacturers' inferior rust inhibitor systems. 

Shaver Outdoor Furnace tank maintenance is now a breeze - simply replenish your water tank with 2 gallons Rust Blocker every 5 years for a lifetime of rust and corrosion protection.

Now, you can say Good-Bye to expensive and time consuming upkeep that your warranty depends on!

How does it work? When added to the water tank, the Rust Blocker technology bonds an impenetrable oxygen barrier on the water tank surfaces. Rust and corrosion cannot form without oxygen.

Shaver's new rust protection system works better than typical old-style additives, which only treat the water and not the tank surface itself. It is both cost effective and time saving. There is never the worry about missing an annual water test ever again!

¹Winner of the 1991 Research and Development 100 Award

Rust Blocker Frequently Asked Questions

What is Rust Blocker?

Rust Blocker is a new product available exclusively from Shaver Furnace for protecting the water tank's metal surfaces from rust and corrosion caused by oxidation and harmful mineral deterioration.

Why is Rust Blocker more effective than other anti-rust and corrosion products?

The scientifically advanced and patented Rust Blocker technology is the result of decades of research and development by the US Department of Energy for NASA. Winner of the Research and Development 100 Award, Rust Blocker bonds an in-penetrable oxygen barrier onto any metal surface to eliminate rust and corrosion. Other products attempt to treat and re-condition the water composition itself to reduce the possibility of water-jacket corrosion. No other product available anywhere can provide the level of protection available from Rust Blocker.

Do I need to clean or flush the system before adding Rust Blocker?

No, you do not need to do anything to prepare for the addition of the Rust Blocker besides draining out 5 gallons of water to make room for it. Rust Blocker is a strong cleaner in itself. You simply stir the 5 gallon pail of Rust Blocker and then add it to your furnace tank's water supply.

Do you recommend putting a water filter on the system?

No filter is required on new furnaces when using the Rust Blocker product. Furnaces more than 3 months old should use a filter because Rust Blocker is also a powerful cleaner that will lift off existing rust and other contaminants.

I know that I will have to add water periodically to the system, so do I have to add any chemical to it as well or does it last for the five years before adding?

No, nothing more need be added. Once the Rust Blocker has been added to the system, it will bond the oxygen barrier on to the metal surfaces. Simply add 2 more gallons of Rust Blocker five years later. We will notify you (via email, phone) when it is time to purchase the refurbishment treatment of Rust Blocker. (currently $125 plus S&H) Nothing else need be done until then... other than maintaining your water level due to loss of water from evaporation and steaming.     

Do I just leave the water in the system all year, or does it need to be drained each year?

No, draining and re-filling of the water tank is not necessary with Rust Blocker as is sometimes required with the old method of rust inhibitor systems.

Do I need to have my furnace water tested each year?

  No, once the Rust Blocker product has been added to the tank water, the water jacket's interior metal surface will be bonded with an anti-corrosive coating. No annual water tests are necessary as Rust Blocker treats the metal surface directly, it does not treat the water.

Will the Rust Blocker product harm my heat exchanger? 

No, Rust Blocker will treat the metal surfaces in the channels of the heat exchanger and will actually prevent the build-up of performance inhibiting scale and lime deposits.

Can Rust Blocker be used with Glycol?

Rust Blocker can be used with either polypropylene or ethylene glycol.

Is Rust Blocker safe to handle?

  YES, Rust Blocker is used in U.S. commerce, and is not listed in the Toxic Substances

Control Act (TSCA) Inventory of Chemicals.

Handling and Storage Precautions:

Do not get in eyes, on skin or on clothing. Avoid breathing vapors, mist, fume or dust. Do not swallow. May be aspirated into lungs. Wear protective equipment and/or garments as described below if exposure conditions warrant. Wash thoroughly after handling. Launder contaminated clothing before reuse. Use with adequate ventilation. Store in a well ventilated area. Store in a closed container.

Personal Protection Information:  

Ventilation: Use adequate ventilation.

Respiratory Protection: Not generally required unless needed to prevent

Respiratory irritation. In case of spill or leak resulting in unknown concentration, use

NIOSH/MSHA approved supplied air respirator.

Eye Protection: For splash protection, use chemical goggles and face shield.

Skin Protection: Use gloves resistant to the material being used. i.e. neoprene or Nitrile rubber.

Use protective garments to prevent excessive skin contact.

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