Medium-to-large multi-unit substations with higher DHW demand, commercial premises (offices, hotels, schools), industrial heating schemes. XB 37H has larger DN 25 connections — less flow-restrictive than XB12L. Delivery across the EU.
| Parameter | Value |
|---|---|
| Code | 004H7307 |
| Plate count | 50 |
| Hydraulic layout | 1-pass |
| Connections | G 1 1/4" male thread |
| Max pressure | 25 bar |
| Temperature range | −10 → 195 °C |
| Plates | AISI 316 |
| Braze | Copper |
XB 37H has a larger plate area (~0.37 m²) — higher heat-transfer effectiveness than XB12L. Verify Δp on both sides via Danfoss HExact.
Official Danfoss catalog: store.danfoss.com/004H7307
XB 37H — larger plate area, larger G 1 1/4" connections, higher flows. XB 12L — compact, smaller flows, G 1" connections.
Not the standard copper-brazed version. Use CoResist for aggressive water.