The heat exchangers below are 1:1 replacements for the Kelvion GBS525H
Fits directly without modifying your pipework — delivered quickly from our own stock.
Installer or service company?
Installers and service companies order from their own net price list once their business account has been approved.
Kelvion GBS 525H-10 can be replaced by UNEX PBU20-10
UNEX PBU20-10
1:1: same port-to-port dimensions (479 × 72 mm) and connection G1" external thread
Kelvion GBS 525H-14 can be replaced by UNEX PBU20-14
UNEX PBU20-14
1:1: same port-to-port dimensions (479 × 72 mm) and connection G1" external thread
Kelvion GBS 525H-20 can be replaced by UNEX PBU20-20
UNEX PBU20-20
1:1: same port-to-port dimensions (479 × 72 mm) and connection G1" external thread
Kelvion GBS 525H-24 can be replaced by UNEX PBU20-24
UNEX PBU20-24
1:1: same port-to-port dimensions (479 × 72 mm) and connection G1" external thread
Kelvion GBS 525H-30 can be replaced by UNEX PBU20-30
UNEX PBU20-30
1:1: same port-to-port dimensions (479 × 72 mm) and connection G1" external thread
Kelvion GBS 525H-34 can be replaced by UNEX PBU20-34
UNEX PBU20-34
1:1: same port-to-port dimensions (479 × 72 mm) and connection G1" external thread
Kelvion GBS 525H-40 can be replaced by UNEX PBU20-40
UNEX PBU20-40
1:1: same port-to-port dimensions (479 × 72 mm) and connection G1" external thread
Kelvion GBS 525H-44 can be replaced by UNEX PBU20-44
UNEX PBU20-44
1:1: same port-to-port dimensions (479 × 72 mm) and connection G1" external thread
Kelvion GBS 525H-50 can be replaced by UNEX PBU20-50
UNEX PBU20-50
1:1: same port-to-port dimensions (479 × 72 mm) and connection G1" external thread
Kelvion GBS 525H-60 can be replaced by UNEX PBU20-60
UNEX PBU20-60
1:1: same port-to-port dimensions (479 × 72 mm) and connection G1" external thread
Kelvion GBS 525H-70 can be replaced by UNEX PBU20-70
UNEX PBU20-70
1:1: same port-to-port dimensions (479 × 72 mm) and connection G1" external thread
Kelvion GBS 525H-80 can be replaced by UNEX PBU20-80
UNEX PBU20-80
1:1: same port-to-port dimensions (479 × 72 mm) and connection G1" external thread
Kelvion GBS 525H-90 can be replaced by UNEX PBU20-90
UNEX PBU20-90
1:1: same port-to-port dimensions (479 × 72 mm) and connection G1" external thread
Kelvion GBS 525H-100 can be replaced by UNEX PBU20-100
UNEX PBU20-100
1:1: same port-to-port dimensions (479 × 72 mm) and connection G1" external thread
Replacing the Kelvion GBS525H with the UNEX PBU20
Is there a Kelvion GBS525H in your installation that leaks or is losing capacity? The UNEX PBU20 takes its place without any change to the pipework.
Port centres
479 × 72 mm
Connections
G1" external thread
Number of plates
10 to 100 plates, 14 versions
Stock
11 of 14 versions in stock
The UNEX PBU20 is a brazed plate heat exchanger with stainless steel plates, copper brazed. In the table above, choose the version with the same number of plates as your current Kelvion GBS525H: it has the same length and comparable capacity and takes exactly the place of the original.
Each product page lists the matching cold and warm insulation, brackets and connection sets, so everything arrives in one shipment. Not sure? Send a photo of the nameplate via the contact form and you will receive a quote within one working day.
Frequently asked questions about replacing the Kelvion GBS525H
Will the UNEX PBU20 fit my Kelvion GBS525H without modifications?
Yes. The replacement has the same port-to-port dimensions (479 × 72 mm) and the same connections (G1" external thread), so the existing pipework does not need to be modified.
Is the replacement for the Kelvion GBS525H available from stock?
11 of the 14 versions are in stock in our warehouse in Oosterhout, the Netherlands, and are delivered quickly. The other versions are available on request.
Which plate counts are available?
The replacements are available from 10 to 100 plates, in 14 versions. Choose the version with the same plate count as your current Kelvion GBS525H.
What does it cost to replace a Kelvion GBS525H?
Request a no-obligation quote; you will receive pricing within one working day. Call us for expert advice: +31 (0)162 429 068.
