The heat exchangers below are 1:1 replacements for the GEA M55
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.

GEA WTT GEA M55-40 can be replaced by UNEX PBG45M-40
UNEX PBG45M-40
1:1: same port-to-port dimensions (460 × 198 mm) and connection G2" external thread

GEA WTT GEA M55-70 can be replaced by UNEX PBG45M-70
UNEX PBG45M-70
1:1: same port-to-port dimensions (460 × 198 mm) and connection G2" external thread

GEA WTT GEA M55-80 can be replaced by UNEX PBG45M-80
UNEX PBG45M-80
1:1: same port-to-port dimensions (460 × 198 mm) and connection G2" external thread

GEA WTT GEA M55-100 can be replaced by UNEX PBG45M-100
UNEX PBG45M-100
1:1: same port-to-port dimensions (460 × 198 mm) and connection G2" external thread

GEA WTT GEA M55-120 can be replaced by UNEX PBG45M-120
UNEX PBG45M-120
1:1: same port-to-port dimensions (460 × 198 mm) and connection G2" external thread
Replacing the GEA WTT GEA M55 with the UNEX PBG45
Is there a GEA WTT GEA M55 in your installation that leaks or is losing capacity? The UNEX PBG45 takes its place without any change to the pipework.
Port centres
460 × 198 mm
Connections
G2" external thread
Number of plates
40 to 120 plates, 5 versions
Stock
2 of 5 versions in stock
Like the GEA WTT GEA M55, the UNEX PBG45 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 GEA WTT GEA M55
Will the UNEX PBG45 fit my GEA WTT GEA M55 without modifications?
Yes. The replacement has the same port-to-port dimensions (460 × 198 mm) and the same connections (G2" external thread), so the existing pipework does not need to be modified.
Is the replacement for the GEA WTT GEA M55 available from stock?
2 of the 5 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 40 to 120 plates, in 5 versions. Choose the version with the same plate count as your current GEA WTT GEA M55.
What does it cost to replace a GEA WTT GEA M55?
Request a no-obligation quote; you will receive pricing within one working day. Call us for expert advice: +31 (0)162 429 068.
