It smells like anti freeze...is it?

I’m 99% sure that you can substitute Quality RV antifreeze in place of this stuff. It just needs to be the good stuff that’s $3-6 a gallon. Not the ultra cheap alcohol based stuff. And you are good to go! That’s what all the pumps in a RV use and these sprayers are similar in many ways.

graco pump armour is for storing your machine long term, what exactly is a long term storage? 1 month? 2 months? 3 months?

I use the pump treatment anytime the sprayer is not to be used for a week. I always use it when I finish painting. I have used it for storage longer than 3 months. My sprayer is now 8 years old and I have never had any problems with it.

Does this stuff expire? I have one that is about 5 years old and I was wondering if I can still use it?

Not sure if it expires but I have used my old one up which was 6 years old and my sprayer has been working like a champ even beyond the maintenance schedule

is this for a diaphragm pump too? Or just a piston pump sprayer?

I don't know, but the container says "Storage and Freeze Protection for Airless Pumps."

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Description

🛠️ Protect your pump, paint like a pro—every season, every project!

CORROSION DEFENSE - Formulated to shield your pump from rust and wear during storage.
READY WHEN YOU ARE - Ensures instant startup with every use—no downtime, no hassle.
PRO GRADE LONGEVITY - Extends pump life so your investment keeps performing like new.
UNIVERSAL COMPATIBILITY - Works seamlessly with any Graco airless paint sprayer model.
FREEZE PROOF RELIABILITY - Keeps your sprayer pump safe down to -30°F, no winter worries.

Graco 243104 Pump Armor is a 1-quart protective fluid designed to prevent corrosion and freezing damage in Graco airless paint sprayer pumps. Freeze-proof to -30°F, it ensures your sprayer starts smoothly after storage, extending pump life and maintaining peak performance for professionals and DIY enthusiasts alike.

Specifications

Brand	Graco
Tank Volume	0.25 Gallons
Color	Blue
Recommended Uses For Product	Painting
Material	Plastic
Item Weight	1 Kilograms
Product Dimensions	12.7"W x 32"H
Style	Armor
Power Source	Hand Powered
Included Components	power-paint-sprayers
Model Name	243104
UPC	633955917408
Global Trade Identification Number	00633955917408, 06339559174080
Manufacturer	Graco
Part Number	243104
Item Weight	2.2 pounds
Item model number	243104
Is Discontinued By Manufacturer	No
Size	1 Quart
Item Package Quantity	1
Special Features	Airless
Batteries Included?	No
Batteries Required?	No
Warranty Description	1 year limited warranty

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