UNEX PBU20-70 (4x G1'' male thread)

The UNEX PBU20-70 brazed heat exchanger comes with G1'' external thread connection, but is also available on request with G5/4'' external thread, these PBU20-5/4'' are not listed on the webshop.

The UNEX PBU20-70 heat exchanger is directly interchangeable with the following types without the need to modify the piping.

• APV OHC 60/70 EE
• APV SPX TTU20H-70-BB
• Funke GPL 6-70-H-30
• GEA WTT GBS 500H-70
• GEA WTT GBS 525H-70
• GEA WTT WP 5-70
• Kelvion GBS 500H-70
• Kelvion GBS 525H-70
• SWEP B25THx70/1P-SC-S 4x1