UNEX PBU20-90 (4x G1'' male thread)

The UNEX PBU20-90 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 PBU20-90 heat exchanger is directly interchangeable with the following types without the need to modify the piping.

• APV OHC 60/90 EE
• APV SPX TTU20H-90-BB
• Funke GPL 6-90-H-30
• GEA WTT GBS 500H-90
• GEA WTT GBS 525H-90
• GEA WTT WP 5-90
• Kelvion GBS 500H-90
• Kelvion GBS 525H-90
• SWEP B25THx90/1P-SC-S 4x1