Specifications
47
Solder Applications
Refrigeration Component
For general refrigeration tubing connections:
copper to copper or copper to brass
Joint Clearances: 0.003 to 0.005 in. (0.076 to 0.127 mm)
Use: Solder Type 15% Silver TK No. 203-364 Use: Flux
Type TK No. 203-365
For refrigeration tubing connections of dissimilar
metals: copper to stainless steel or brass to
stainless steel
Joint Clearances: 0.003 to 0.005 in. (0.076 to 0.127 mm)
Use: Solder Type 35% Silver TK No. 203-366 Use: Flux
Type TK No. 203-365
Hot Water Component
For hot water tubing connections: copper to
copper or copper to brass
Joint Clearances: 0.003 to 0.005 in. (0.076 to 0.127 mm)
Use: Solder Type 95% Tin and 5% antimony
TK No. 204-167 Use: Flux Type TK No. 204-417
For hot water tubing connections of dissimilar
metals: copper to stainless steel or brass to
stainless steel
Joint Clearances: 0.003 to 0.005 in. (0.076 to 0.127 mm)
Use: Solder Type 35% Silver TK No. 203-366 Use: Flux
Type TK No. 203-365
NOTE: Some units may be equipped with an compressor pressure regulating valve (CPR). To reduce the
chance of overheating the CPR valve, 95-5 solder or equivalent may be used.
Use 95-5 TK No. 204-167
Use Flux TK No. 204-417
Specifications
47
Solder Applications
Refrigeration Component
For general refrigeration tubing connections:
copper to copper or copper to brass
Joint Clearances: 0.003 to 0.005 in. (0.076 to 0.127 mm)
Use: Solder Type 15% Silver TK No. 203-364 Use: Flux
Type TK No. 203-365
For refrigeration tubing connections of dissimilar
metals: copper to stainless steel or brass to
stainless steel
Joint Clearances: 0.003 to 0.005 in. (0.076 to 0.127 mm)
Use: Solder Type 35% Silver TK No. 203-366 Use: Flux
Type TK No. 203-365
Hot Water Component
For hot water tubing connections: copper to
copper or copper to brass
Joint Clearances: 0.003 to 0.005 in. (0.076 to 0.127 mm)
Use: Solder Type 95% Tin and 5% antimony
TK No. 204-167 Use: Flux Type TK No. 204-417
For hot water tubing connections of dissimilar
metals: copper to stainless steel or brass to
stainless steel
Joint Clearances: 0.003 to 0.005 in. (0.076 to 0.127 mm)
Use: Solder Type 35% Silver TK No. 203-366 Use: Flux
Type TK No. 203-365
NOTE: Some units may be equipped with an compressor pressure regulating valve (CPR). To reduce the
chance of overheating the CPR valve, 95-5 solder or equivalent may be used.
Use 95-5 TK No. 204-167
Use Flux TK No. 204-417