Can i use liquid wrench penetrating oil on a large pvc water shut off valve? it runs to a waterfall. it has been buried for years and won't budge.

It should not hurt the pvc. If valve has been buried, I would first clear around it then clean it as best as possible. Take a hair dryer or heat gun(be very careful with heat gun) and warm, just warm valve, let cool and warm again. Apply liquid wrench let sit 10-20 mins. Use valve wrench to try and open valve, repeat id necessary. Heat done right(low) ought not cause any problems with liquid wrench which is a flammable.

After it dries, does anyone knows if it will prevent rust?

It does prevent rust. Been using liquid wrench for 40 years to prevent rust on my tools stored in my garage. After iI use a metal tool I spray it with Liquid Wrench. Never lost a tool due to rust.

Is it safe to use for breaking loose rusted stuck exhaust bolts? i know it is flammable but i figure i could clean it off after i get the bolts out.

It won a comparison between 5 other well known rust penetrators by a well know product evaluator on YouTube. But the ultimate exhaust bolt fix is heat if all else fails.

Does this form a foam when sprayed on ??? J. Payne

No, it is more like the consistency of WD-40. It bubble a little when you first spray it (probably from the propellant) but it leaves more of a thin (penetrating) oil residue.

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Liquid Wrench L106 Penetrating Oil, 5.5 Oz

Liquid Wrench L106 Penetrating Oil, 5.5 Oz

Product ID: 7076477

Details

Brand
Liquid Wrench
Item Weight
5.44 ounces
Liquid Volume
5.5 fluid
Material
Blend
Package Information
Bottle

🌿Low odor & 0% VOC

🔥Powerful rust dissolver

⚙️5.5 oz precision oil

₨519

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Description

⚙️ Unlock stuck parts like a pro—because waiting is so last decade!

FOMO FREE FIXES - Join thousands of users who’ve rated it 4.4 stars for reliable, fast-acting performance.
RUST CONSIDER IT GONE - Advanced formula penetrates and dissolves rust fast, freeing stuck nuts and bolts.
UNSTICK WITH PRECISION - Compact 5.5 oz bottle for targeted application—never waste a drop.
ECO SMART SURFACE SAFE - Low odor, zero VOC, and safe on painted surfaces, plastics, and PVC—work confidently indoors or out.
TRUSTED BY PROS DI YERS - 75+ years of family-owned innovation, backed by a 100% USA-made guarantee.

Liquid Wrench L106 Penetrating Oil is a 5.5 oz powerhouse trusted for over 75 years by tradesmen and DIYers alike. Its potent, low-odor formula quickly dissolves rust and frees stuck nuts, bolts, and locks while being safe on multiple surfaces and fully compliant across all 50 states. Proudly made in the USA, it’s the go-to lubricant for anyone serious about fast, reliable fixes.

Specifications

ASIN	B00200MR8Q
Best Sellers Rank	#6,281 in Automotive ( See Top 100 in Automotive ) #5 in Automotive Assembly Lubricants
Brand Name	Liquid Wrench
Compatible Material	Metal
Container Type	Bottle
Customer Reviews	4.4 4.4 out of 5 stars (303)
Global Trade Identification Number	00076335005232, 00078698120133
Included Components	LIQUID WRENCH PENETRATING OIL 5.5 OZ.
Item Form	Oil
Item Type Name	LIQUID WRENCH PENETRATING OIL 5.5 OZ.
Item Weight	5.44 ounces
Liquid Volume	5.5 fluid ounces
Manufacturer	BBI- Blumenthal Brands Integrated (Gunk and Liquid Wrench)
Material	Blend
Model Number	L106
Number of Items	1
Number of Packs	1
Part Number	L106
Recommended Uses For Product	Lubricant
UPC	076335005232 078698120133
Unit Count	5.5 Ounce
Warranty Description	No_warranty

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TrustScore 4.5 | 7,300+ reviews

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The product quality is outstanding. Exactly what I needed for my work.

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₨519

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Seychelles.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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