Lawn & Garden Stainless Steel Plus Sprayer 2 Gal. (31440)

Lawn & Garden Stainless Steel Plus Sprayer 2 Gal. (31440)

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Product Overview

Lawn & Garden Stainless Steel Plus Sprayer (31440) is an excellent sprayer that is the best sprayer for long term use. With its ergonomically designed pump handle and poly wand, this sprayer is a joy to use. Lawn & Garden Stainless Steel Plus Sprayer also includes great features like a durable stainless steel tank that will last a long time, Nitrile Seals made from synthetic rubber for great structural support, a SureSpray filter that keeps any debris from entering the sprayer and a funnel inlet to make filling the tank easy.

Replacement parts for this sprayer are as follows:

Features and Specs

For use in Home & Garden areas
Application Fill tank with any liquid: Fertilizers, Fungicides, Herbicides and Water
Sprayer Type Handheld
Tank Size (gal.) 2 gal
Material / Construction Stainless Steel
Seal Type Nitrile Seals
Shipping Weight 5.50 lbs
Manufacturer Chapin (Mfg. Number: 31440)
UPC 023883314408



1. Hose to Tank -

Make sure hose is pushed all the way to the tank. Make sure hose clamp is tight and below the hose barb. Turn clockwise with a screwdriver to tighten.

2. Nozzle - 

Attach nozzle to shut-off handle or extension wand.

3. Pre-Use Check - 

1) Check tightness of hose nut to be sure hose is securely attached to the tank outlet. 
2) Inspect hose for deterioration, cracks, softness, or brittleness. If any of these conditions are found,  replace hose before using. Replace with original manufacturer’s parts only. 
3) Remove pump (see Filling, Pressurizing and Spraying Instructions), inspect interior and exterior of tank for signs of deterioration of body and bottom. Any sign of deterioration indicates possible tank weakening and could result in explosive bursting under pressure. If any of these signs are found, discard tank immediately and replace. Do not attempt to patch leaks, etc., as this could result in serious injury. 
4) Follow Filling, Pressurizing and Spraying Instructions, except use water only. 
5) Pump plunger 8-10 strokes and inspect for leaks. 
6) Direct shut-off away from you and open to make sure discharge is not clogged. 
7) If unit passes this test, release pressure (see Pressure Releasing Instructions), empty tank, and proceed with Filling, Pressurizing and Spraying Instructions.

4. Filling -

1) Turn pump handle counterclockwise and remove pump
2) Prepare spray solution following all directions and safety warnings on chemical label.
3) Fill tank to no more than the proper gallon marker. Do NOT overfill to accommodate pump.
4)Check pump to make sure that no grass or dirt is stuck to barrel. Replace pump in tank and tighten securely.

5. Pressurizing and Spraying - 

1) Turn handle clockwise to tighten. Push handle down, turn 1/4 turn counterclockwise to release.
2) Pump until you feel resistance.
3) Push handle, down, turn 1/4 turn clockwise to lock. Begin spraying. Re-pump sprayer as required to maintain spray force.
4) Adjust spray pattern by turning nozzle cap. Do not turn cap more than 2 turns or cap may come off allowing spray material to spray back on you.

6. To Release Pressure

1) With pump facing away, turn locked handle counterclockwise until air begins to escape. Stop turning handle when you hear air escaping. 
2) Stay away from the sprayer until all air has escaped.

7. Care, Storage and Maintenance

1) Rinse tank thoroughly with water only, empty, refill with water. Follow Filling, Pressurizing and Spraying Instructions, except pump unit only 8-10 strokes. 
2) Open shut-off and allow water to run through discharge assembly. 
3) Release pressure (Follow Pressure Release Instructions), remove pump and empty sprayer. 
4) Store sprayer tank upside down, with pump removed, in a warm dry location. 
5) Periodically oil pump by dropping 10-12 drops of light oil down pump rod through opening in cover.

8. Fatigue-Free Spraying
For constant spraying, push down on shut-off handle and move grey locking mechanism away from you. To release, squeeze handle and move the grey locking mechanism back towards you. (Not all models are provided with this feature).

9. Troubleshooting - Tank pressurizes but does not spray.

WARNING: Release pressure in tank before troubleshooting.

Clean shut-off - 

1) Pull handle straight up.
2) Insert notches from underside of handle into plunger grooves and turn counterclockwise.
3) Remove plunger and diaphragm. Clean plunger, diaphragm and body. Flip diaphragm and replace.
4) Tighten plunger clockwise until flush to top of shut-off body. Do not over-tighten or unit may not spray. 

Clean Nozzle Assembly -

1) Remove nozzle cap. Clean and re-assemble

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Questions & Answers

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Where can I find a replacement wand for Lawn & Garden Stainless Steel Plus Sprayer (31440)?

We carry the parts to make a replacement wand for the Lawn & Garden Stainless Steel Plus Sprayer 2 Gal (31440). For the shut-off, you will need the Chapin Replacement Poly Shut-Off Assembly (6-4626). You can use either the Chapin Curved Poly Brass Extension with Viton 16 in (6-7756) or Chapin Curved Poly Extension for Poly Viton Sprayers 18 in (6-7749).

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Can you get replacement parts for the Lawn & Garden Stainless Steel Plus Sprayer (31440)?

Replacement parts for tthe Lawn & Garden Stainless Steel Plus Sprayer (31440) are as follows:

* If you do not see the part you need you can provide us with part name and number and we can reach out to the manufacturer and see if that is something we can acquire. If you need assistance determining the official part name and ID number you can contact Chapin directly for that information, and they can also advise if that is something they offer separately for purchase. CHAPIN can be reached at 1800-950-4458

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