The heat exchangers below are 1:1 replacements for the Kelvion GBS900H
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 GBS900H-50 can be replaced by UNEX PB67H-50
UNEX PB67H-50
1:1: same port-to-port dimensions (690 × 161 mm) and connection G2½" external thread or 54 mm solder

Kelvion GBS900H-60 can be replaced by UNEX PB67H-60
UNEX PB67H-60
1:1: same port-to-port dimensions (690 × 161 mm) and connection G2½" external thread or 54 mm solder

Kelvion GBS900H-80 can be replaced by UNEX PB67H-80
UNEX PB67H-80
1:1: same port-to-port dimensions (690 × 161 mm) and connection G2½" external thread or 54 mm solder

Kelvion GBS900H-100 can be replaced by UNEX PB67H-100
UNEX PB67H-100
1:1: same port-to-port dimensions (690 × 161 mm) and connection G2½" external thread or 54 mm solder

Kelvion GBS900H-120 can be replaced by UNEX PB67H-120
UNEX PB67H-120
1:1: same port-to-port dimensions (690 × 161 mm) and connection G2½" external thread or 54 mm solder

Kelvion GBS900H-150 can be replaced by UNEX PB67H-150
UNEX PB67H-150
1:1: same port-to-port dimensions (690 × 161 mm) and connection G2½" external thread or 54 mm solder

Kelvion GBS900H-180 can be replaced by UNEX PB67H-180
UNEX PB67H-180
1:1: same port-to-port dimensions (690 × 161 mm) and connection G2½" external thread or 54 mm solder

Kelvion GBS900H-200 can be replaced by UNEX PB67H-200
UNEX PB67H-200
1:1: same port-to-port dimensions (690 × 161 mm) and connection G2½" external thread or 54 mm solder
Frequently asked questions about replacing the Kelvion GBS900H
Will the UNEX PB67 fit my Kelvion GBS900H without modifications?
Yes. The replacement has the same port-to-port dimensions (690 × 161 mm) and the same connections (54 mm solder, G2½" external thread), so the existing pipework does not need to be modified.
Is the replacement for the Kelvion GBS900H available from stock?
The versions are available on request; contact us for current lead times.
Which plate counts are available?
The replacements are available from 50 to 200 plates, in 8 versions. Choose the version with the same plate count as your current Kelvion GBS900H.
What does it cost to replace a Kelvion GBS900H?
Request a no-obligation quote; you will receive pricing within one working day. Call us for expert advice: +31 (0)162 429 068.
