Unless specifically noted otherwise, all copper sweat fittings listed on this page are nominal-sized (C or C x C).
To ensure you are ordering the correct size, use the copper nominal and OD size conversion chart below prior to ordering.
1/8" Copper Fittings
Order 10, 100, 250 or more of the same item for additional savings!
Pricing discounts will show up in your shopping cart.
1/4" Copper Fittings
Order 10, 100, 250 or more of the same item for additional savings!
Pricing discounts will show up in your shopping cart.
3/8" Copper Fittings
Order 10, 100, 250 or more of the same item for additional savings!
Pricing discounts will show up in your shopping cart.
1/2" Copper Fittings
= Brass components compliant with 2014 Federal Safe Drinking Water Act requirements - suitable for use with potable water
Order 10, 100, 250 or more of the same item for additional savings!
Pricing discounts will show up in your shopping cart.
Need to seal your pipe threads?
We've got you covered.
To ensure our customers receive fresh products,
TU-555 pipe joint compounds are non-returnable.
3/4" Copper Fittings
Order 10, 100, 250 or more of the same item for additional savings!
Pricing discounts will show up in your shopping cart.
Need to seal your pipe threads?
We've got you covered.
To ensure our customers receive fresh products,
TU-555 pipe joint compounds are non-returnable.
1" Copper Fittings
Order 10, 100, 250 or more of the same item for additional savings!
Pricing discounts will show up in your shopping cart.
Need to seal your pipe threads?
We've got you covered.
To ensure our customers receive fresh products,
TU-555 pipe joint compounds are non-returnable.
1-1/4" Copper Fittings
Order 10, 100, 250 or more of the same item for additional savings!
Pricing discounts will show up in your shopping cart.
Need to seal your pipe threads?
We've got you covered.
To ensure our customers receive fresh products,
TU-555 pipe joint compounds are non-returnable.
1-1/2" Copper Fittings
Order 10, 100, 250 or more of the same item for additional savings!
Pricing discounts will show up in your shopping cart.
Need to seal your pipe threads?
We've got you covered.
To ensure our customers receive fresh products,
TU-555 pipe joint compounds are non-returnable.
2" Copper Fittings
= Brass components compliant with 2014 Federal Safe Drinking Water Act requirements - suitable for use with potable water
Order 10, 100, 250 or more of the same item for additional savings!
Pricing discounts will show up in your shopping cart.
Need to seal your pipe threads?
We've got you covered.
To ensure our customers receive fresh products,
TU-555 pipe joint compounds are non-returnable.
2-1/2" Copper Fittings
Order 10, 100, 250 or more of the same item for additional savings!
Pricing discounts will show up in your shopping cart.
Need to seal your pipe threads?
We've got you covered.
To ensure our customers receive fresh products,
TU-555 pipe joint compounds are non-returnable.
3" Copper Fittings
Order 10, 100, 250 or more of the same item for additional savings!
Pricing discounts will show up in your shopping cart.
Need to seal your pipe threads?
We've got you covered.
To ensure our customers receive fresh products,
TU-555 pipe joint compounds are non-returnable.
4" and Larger Copper Fittings
Order 10, 100, 250 or more of the same item for additional savings!
Pricing discounts will show up in your shopping cart.
Need to seal your pipe threads?
We've got you covered.
To ensure our customers receive fresh products,
TU-555 pipe joint compounds are non-returnable.