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Q: Have a 7/8" poly radiant under-floor (2nd story so under ceilings) with very tiny leaks, will this product damage the Taco circulator?

No it shouldn’t used on geothermal loop that had small leak and it didn’t harm the pumps but I had large volume of water in loop you should calculate how much water is in system and you might not need to use hole bottle of sealant

Q: Will this stop leaks in PEX piping used for infloor heat in concrete slab?

We have used it once on a geothermal closed loop field. Thus it seemed to have worked with HDPE pipe. I know pex polyethelene tubing has different properties so the manufacturer of the tubing or product being sold may know better but as long as the manufacturer says it's safe for pex it may be worth a try.

Q: How much do you add to water

Just add one to the circulation

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🔧 Seal the deal before it leaks away!

🌍 ECO FRIENDLY CHOICE - Designed for geothermal systems, it’s a sustainable solution for your home.
💰 COST EFFECTIVE SOLUTION - Avoid the high expenses of HVAC system replacements with this simple fix.
⚡ QUICK AND EASY APPLICATION - Just apply and let it work its magic—no professional help needed.
🏗️ NO DEMOLITION REQUIRED - Say goodbye to the hassle of tearing up floors and concrete.
🔒 STOP LEAKS IN THEIR TRACKS - GEOLOOP LEAK SEAL effectively seals small line leaks, saving you from costly repairs.

GEOLOOP LEAK SEAL is an 8 oz. leak sealant designed specifically for radiant floor heating and geothermal systems. Manufactured by Marlig Industries, this compact solution effectively addresses small line leaks without the need for costly repairs or demolition, making it a smart choice for homeowners looking to maintain their heating systems efficiently.

Have a Question? See What Others Asked

Have a small leak in a 1/2" copper pipe under the concrete slab, will this work on copper pipes and how do I inject this into a closed system?

Have a 7/8" poly radiant under-floor (2nd story so under ceilings) with very tiny leaks, will this product damage the Taco circulator?

Will this stop leaks in PEX piping used for infloor heat in concrete slab?

How much do you add to water

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TrustScore 4.5 | 7,300+ reviews

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Manufacturer	Marlig Industries
Part number	GEOLOOP LEAK SEAL 8 oz.
Item Weight	226 g
Product Dimensions	2.54 x 7.62 x 7.62 cm; 226.8 g
Item model number	GEOLOOP LEAK SEAL 8 oz.
Style	Compact
Item Package Quantity	1
Batteries Included?	No
Batteries Required?	No

GEOLOOP LEAK SEALfor Radiant Floor Heat and for Geothermal Systems Bottle, 8 oz.

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