Tubes, pipes, mouths and fastenings
It compares the connections at both ends and the support points. The photograph does not allow to certify measurements, power or if two variants perform the same hydraulic function.

Heat exchanger Roca NGM 13-20 SR reconditioned. Cylindrical heat exchanger with longitudinal fins, brass tone caps, multiple threaded mouths and joining bars. Compare the reference, connections and attachments with the Part on your computer before choosing the Replacement part.
This format is recognized by the fin core and the end tubes. To choose it matters the mouths, supports and identification of the equipment, not only the apparent size in a photograph.
Longitudinal fins, caps and position of threaded mouths. Compare views from the same angle and complete identification of the removed Part.
Choose a photo of your part to view it beside this unit. Compare the labels, connectors and mounting points from the same angle.
Your photo stays on your device: it is not sent or stored.

Application listed in the catalogue: Roca NGM 13-20 SR. The variant and configuration must match the installed equipment; this does not establish compatibility with other models.
No models are documented for that search.
Application taken from the catalogue, pending comparison with the installed variant. This does not constitute compatibility certified against an exploded diagram.
It compares the connections at both ends and the support points. The photograph does not allow to certify measurements, power or if two variants perform the same hydraulic function.
We repair boilers in Madrid and the surrounding areas. Installation is arranged separately from the purchase of the part.
Compare the longitudinal fins, caps, joining bars and the position of the threaded mouths.
Use the position of the mouths and join bars as references to the removed Heat exchanger.