The heat exchangers below are 1:1 replacements for the Kelvion GBS500H
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 500H-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 500H-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 500H-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 500H-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 500H-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 500H-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 500H-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 500H-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 500H-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 500H-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 500H-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 500H-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 500H-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 500H-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 GBS500H with the UNEX PBU20
Replacing a Kelvion GBS500H with the UNEX PBU20 is a straight swap: port centres and connections are identical, so the existing pipes stay exactly where they are.
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
Like the Kelvion GBS500H, the UNEX PBU20 is a brazed plate heat exchanger: stainless steel plates brazed together with copper, so no gaskets and compact. The table above shows the matching version for each type number — keep the number of plates of your current unit and the replacement fits exactly.
Matching insulation, brackets and connection sets can be ordered directly on the product page. Not sure which version you need? Send us the type or a photo of the nameplate via the contact form and you will receive a no-obligation quote within one working day.
Frequently asked questions about replacing the Kelvion GBS500H
Will the UNEX PBU20 fit my Kelvion GBS500H 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 GBS500H 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 GBS500H.
What does it cost to replace a Kelvion GBS500H?
Request a no-obligation quote; you will receive pricing within one working day. Call us for expert advice: +31 (0)162 429 068.
