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On this page you will find answers to common questions that are asked in regards to Master Manufacturing spot and broadcast sprayers. If you can’t find your question below, hop over to our Contact page and send us an email, or give us a call at 800-825-5397.

What kind of chemicals can I spray? + -

A Master Manufacturing sprayer can be used with water, herbicides, insecticides, pesticides and other glyphosate based products.  Always check with chemical manufacturer for compatibility and always follow state and federal laws

What kind of chemicals should I NOT spray with? + -

Do not spray with flammable chemicals, such as diesel fuel. Do not use corrosive chemicals such as bleach. These types of chemicals can lead to dangerous results or weaken the sprayer parts. Using these types of chemicals will void warranty on your Master Manufacturing sprayer. Always check with chemical manufacturer for compatibility and always follow state and federal laws.

How do I determine my broadcast boom height? + -

To ensure proper uniform coverage from your broadcast boom, you will need to measure the height from the top of the grass blades to the nozzle orifice on the boom. Below is the ideal boom height for each style of nozzle. Note: These heights are approximate and for 50% overlap.

  • Flat Fan Spray Nozzles: 20-28”
  • Ceramic Flat Fan Spray Nozzles: 20”
  • Air Induction Spray Nozzles: 20”
  • Deflector Spray Nozzles: 13-20”
  • Boomless Nozzles: 24-48”
How do I clean & decontaminate a sprayer?
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It always crucial to clean-up and decontaminate after every use of your sprayer. Improper equipment clean-up and disposal of chemical can in result in equipment damage or exposure to humans and the environment. Note: Always wear protective gear before cleaning sprayer.

  • Drain Tank: If there is excess pesticide left in the tank, drain into a suitable container.
  • Unused Chemical: Properly store or dispose of unused chemical in its original, suitable container and follow chemical manufacturer’s recommendations according to local hazardous waste disposal regulations.
  • Flush Sprayer: Flush sprayer per the chemical manufacturer’s recommendations.
  • Decontaminate & Launder: Decontaminate yourself after handling chemicals by removing clothing worn, washing exposed body parts with soap and water, and laundering clothing separately from other wash.
How do I winterize a sprayer? + -

When the winter season arrives, it is important to protect your spot and broadcast sprayer from the frigid temperatures. Here is some basic steps to get your sprayer protected.

  • Add Anti-Freeze: Pour one gallon of RV anti-freeze into the sprayer tank.
  • Spray Briefly: Turn on the pump motor, squeeze the gun trigger briefly until the pink fluid sprays out. Repeat process with your spray boom kit.
  • Drain Anti-Freeze: Drain the excess RV anti-freeze from sprayer and store.

For a more in-depth step by step process, watch our video on Winterizing A Master Manufacturing Sprayer.

Can a Master Manufacturing sprayer be used for dispensing potable liquids? + -

A Master Manufacturing spot or broadcast sprayer are not certified for use in dispensing portable water or other consumable liquids.

What kind of warranty is on a Master Manufacturing sprayer? + -

All Master Manufacturing sprayers are backed by a two year warranty on manufacturing defects in pump and components. If you are in need of warranty parts, contact our Spraying Division at 320-340-6464. Make sure to have original proof of purchase, model # of sprayer, and part.

What voids a warranty on a Master Manufacturing sprayer? + -

Below is the ways a warranty can be voided for a Master Manufacturing Sprayer.

  • Using corrosive or flammable chemicals. Do not use bleach.
  • Allowing your sprayer to freeze, without taking proper winterization steps.