The heat exchangers below are 1:1 replacements for the SWEP B12
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.

SWEP B12HX20 can be replaced by UNEX PBF10L-20
UNEX PBF10L-20
1:1: same port-to-port dimensions (234 × 63 mm) and connection G5/4" external thread

SWEP B12HX30 can be replaced by UNEX PBF10L-30
UNEX PBF10L-30
1:1: same port-to-port dimensions (234 × 63 mm) and connection G5/4" external thread

SWEP B12HX40 can be replaced by UNEX PBF10L-40
UNEX PBF10L-40
1:1: same port-to-port dimensions (234 × 63 mm) and connection G5/4" external thread

SWEP B12HX50 can be replaced by UNEX PBF10L-50
UNEX PBF10L-50
1:1: same port-to-port dimensions (234 × 63 mm) and connection G5/4" external thread

SWEP B12HX60 can be replaced by UNEX PBF10L-60
UNEX PBF10L-60
1:1: same port-to-port dimensions (234 × 63 mm) and connection G5/4" external thread

SWEP B12HX70 can be replaced by UNEX PBF10L-70
UNEX PBF10L-70
1:1: same port-to-port dimensions (234 × 63 mm) and connection G5/4" external thread

SWEP B12HX80 can be replaced by UNEX PBF10L-80
UNEX PBF10L-80
1:1: same port-to-port dimensions (234 × 63 mm) and connection G5/4" external thread

SWEP B12HX90 can be replaced by UNEX PBF10L-90
UNEX PBF10L-90
1:1: same port-to-port dimensions (234 × 63 mm) and connection G5/4" external thread

SWEP B12HX100 can be replaced by UNEX PBF10L-100
UNEX PBF10L-100
1:1: same port-to-port dimensions (234 × 63 mm) and connection G5/4" external thread
Frequently asked questions about replacing the SWEP B12
Will the UNEX PBF10 fit my SWEP B12 without modifications?
Yes. The replacement has the same port-to-port dimensions (234 × 63 mm) and the same connections (G5/4" external thread), so the existing pipework does not need to be modified.
Is the replacement for the SWEP B12 available from stock?
7 of the 9 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 20 to 100 plates, in 9 versions. Choose the version with the same plate count as your current SWEP B12.
What does it cost to replace a SWEP B12?
Request a no-obligation quote; you will receive pricing within one working day. Call us for expert advice: +31 (0)162 429 068.
