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NZR Modularis WZW-M - KNX Hot Water Meter with Pulse Counter Module
✗
UL Listed
This product has not been certified by an NRTL (UL, ETL, CSA or
equivalent). Installation in USA projects may require a Field Evaluation
by a recognized laboratory. Consult your local AHJ before specifying.
~
Low Voltage · SELV
This device operates on a Safety Extra Low Voltage circuit — such as
the KNX 29V bus or a DALI 16V bus (NEC Class 2). When powered by an
NRTL-listed power supply, many AHJs accept non-listed SELV devices.
Verify with your local AHJ before specifying.
Regular price
$309.01 USD
Regular price
-31%
$444.98 USD
Sale price
$309.01 USD
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This calibrated NZR Modularis WZW-M hot-water apartment meter ships with an arcus KNX counter module for remote reading of consumption over KNX. The KNX module sits in an IP54/65 housing on a 1.5 m (4.9 ft) connection and keeps its count in battery-backed memory.
Versions: 1.5 m³/h (6.6 GPM) with 80 mm (3.15 in) or 110 mm (4.33 in) installation length, or 2.5 m³/h (11 GPM) with 130 mm (5.12 in), each with male threaded meter connections. The calibration fee is included.
Key Features
- MID-approved, sealed and calibrated hot-water meter, calibration fee included
- Nominal flow 1.5 m³/h (6.6 GPM) (DN15 (1/2 in)) or 2.5 m³/h (11 GPM) (DN20 (3/4 in)); water up to 90 °C (194 °F)
- Installation length 80, 110 or 130 mm (3.15, 4.33 or 5.12 in); male thread 3/4, 1/2 or 1 in per version
- KNX counter module in IP54/65 housing, 72 x 64 x 40 mm (2.83 x 2.52 x 1.57 in), 1.5 m (4.9 ft) KNX connection
- Bus powered (approx. 240 mW) with battery-backed count memory
- ETS application IMPZx
Technical Specifications
| Article no. | 60201-75124515 (Hot 1.5 m³/h (6.6 GPM), 80 mm (3.15 in), 3/4 in), 60201-75124525 (Hot 2.5 m³/h (11 GPM), 130 mm (5.12 in), 1 in), 60201-75124615 (Hot 1.5 m³/h (6.6 GPM), 110 mm (4.33 in), 1/2 in) |
|---|---|
| KNX bus voltage | KNX 21-32 VDC |
| Power consumption | approx. 240 mW at 24 VDC (bus powered) |
| Auxiliary supply | Not required (bus coupler integrated); counter module has battery-backed data memory |
| Measuring |
Hot 1.5 m³/h (6.6 GPM), 80 mm (3.15 in), 3/4 in: Hot water (hot, max 90 °C (194 °F)); Qn 1.5 m³/h (6.6 GPM), Qmax 3 m³/h (13.2 GPM), DN15 (1/2 in) Hot 2.5 m³/h (11 GPM), 130 mm (5.12 in), 1 in: Hot water (hot, max 90 °C (194 °F)); Qn 2.5 m³/h (11 GPM), Qmax 5 m³/h (22 GPM), DN20 (3/4 in) Hot 1.5 m³/h (6.6 GPM), 110 mm (4.33 in), 1/2 in: Hot water (hot, max 90 °C (194 °F)); Qn 1.5 m³/h (6.6 GPM), Qmax 3 m³/h (13.2 GPM), DN15 (1/2 in) |
| Inputs / outputs & connections |
Hot 1.5 m³/h (6.6 GPM), 80 mm (3.15 in), 3/4 in: Meter thread per price list AG 3/4"; KNX 2-pole terminal; meter pulse (S0) to IMPZ module; KNX cable 1.5 m (4.9 ft) Hot 2.5 m³/h (11 GPM), 130 mm (5.12 in), 1 in: Meter thread per price list AG 1"; KNX 2-pole terminal; meter pulse (S0) to IMPZ module; KNX cable 1.5 m (4.9 ft) Hot 1.5 m³/h (6.6 GPM), 110 mm (4.33 in), 1/2 in: Meter thread per price list AG 1/2"; KNX 2-pole terminal; meter pulse (S0) to IMPZ module; KNX cable 1.5 m (4.9 ft) |
| Protection rating | IP54/65 (KNX module housing) |
| Dimensions |
Hot 1.5 m³/h (6.6 GPM), 80 mm (3.15 in), 3/4 in: Meter installation length 80 mm (3.15 in); KNX module housing 72 x 64 x 40 Hot 2.5 m³/h (11 GPM), 130 mm (5.12 in), 1 in: Meter installation length 130 mm (5.12 in); KNX module housing 72 x 64 x 40 Hot 1.5 m³/h (6.6 GPM), 110 mm (4.33 in), 1/2 in: Meter installation length 110 mm (4.33 in); KNX module housing 72 x 64 x 40 |
| Mounting | Inline in pipe; KNX module wall mount with 2 screws |
| Operating temperature | KNX module -20 to +55 °C (-4 to 131 °F) (storage -20 to +85 °C (-4 to 185 °F)) |
Application note: EU MID-calibrated meter with G/BSP threaded connections; adapters and local approval may be required for US installations.
Downloads
(CE certified; not UL/NRTL listed — verify local code requirements before specifying in US installations)
Orders over $500 ship free within the USA (under 50 lbs). Orders under $500 carry a low cost shipping fee.
Most in-stock orders ship within 1–2 business days from Miami, FL. Delivery typically takes 3–5 business days depending on destination.
For freight or oversized orders, our team will contact you with a custom quote.
All KNXSupply products are covered by the manufacturer's warranty, ranging from 1 to 3 years depending on the brand. Warranty terms are fulfilled directly by the manufacturer.
If you experience any issue, contact us and we'll coordinate the claim process on your behalf.
Buy in bulk
| Variant | Quantity | Price | Total |
|---|---|---|---|
|
Hot 1.5 m³/h (6.6 GPM), 80 mm (3.15 in), 3/4 in
60201-75124515
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Hot 2.5 m³/h (11 GPM), 130 mm (5.12 in), 1 in
60201-75124525
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Hot 1.5 m³/h (6.6 GPM), 110 mm (4.33 in), 1/2 in
60201-75124615
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