

C and D Valve Co C&D CD3813 Brass Valve Core Tool
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YKBReinking
> 3 dayI love the quality and feel of it!
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Jason G.
Greater than one weekGreat
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Embien
> 3 dayBoth the tool itself and the cores are good quality. You don’t want to skimp on valve cores because it can lead to an expensive refrigerant leak. This is a brand that consistently produces tight tolerance, high quality parts. Unlike some other brands, I’ve never had any issues with C &D parts. They are worth the extra cost.
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Matt Postle
> 3 dayHighly recommend this product very well made very strong materials used to manufacture. Highly recommend this product to all HVAC&R Techs.
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russell bierle
> 3 dayLove it.
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antonio serra from warranty air conditioning
Greater than one weekYes this very small tool.is great to replace any stock core and replace for new, very handly, small space to carrier, and funtional, but.I like if bring one holder to keep on the car, keys
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Preston Shields V
08-06-2025Excellent little tool.
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Nina Kindred
07-06-2025Excellent tool rated by 20 yr hvac-r pro
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Waleed fatoh
> 3 dayEasy to use very helpful at work
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April thrush
Greater than one weekGreat tool