Can I use in copper water supply lines (drinking water)?

This is lead-free solder, but it has silver in the solder which will make it more expensive for a water solder joint. The chemical makeup is Tin 94% and silver 6%. This solder is used most commonly in refrigeration/air conditioning applications. If you want to use for potable water Harris recommends their speedy solder SPDY61 1/8" x 1# spool

Can this be used instead of brazing to to replace a residential fridge compressor

This is can be used instead of brazing if the discharge (high side) line doesn't get too hot. It for sure is good for the suction (low side) line. It was used for many years on all the lines (high & low side) of refrigeration systems using R12 refrigerant with water cooled condensers where high side pressures/temperatures don't go above 125 degrees F.

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Description

⚡ Elevate your craft with Stay-brite – where precision meets power!

PERFECT 1 LB SIZE - Ideal for professional projects without waste
COMPACT PORTABLE - 2x2x2 inch package fits effortlessly in your toolkit
CRAFTED IN THE USA - Trust in American quality and reliability
PREMIUM TIN SILVER BLEND - Ensures superior solder strength and conductivity
READY FOR PRECISION WORK - Engineered for flawless, high-performance soldering

Stay-brite 8 1/8" 1#10009 (SB861) is a premium solder alloy made in the USA by J.W. Harris Company. This 1-pound tin and silver blend offers professional-grade strength and conductivity in a compact 2x2x2 inch package, designed for precision soldering tasks without compromise.

Specifications

Manufacturer	J.W. Harris Company
Part Number	SB861
Item Weight	0.01 ounces
Product Dimensions	2 x 2 x 2 inches
Item model number	SB861
Is Discontinued By Manufacturer	No
Material	Tin and Silver
Item Package Quantity	1
Included Components	1 LB
Batteries Included?	No
Batteries Required?	No

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