{
  "id": "sant/wm4",
  "slug": "wm4",
  "brand": "sant",
  "model_code": "WM4",
  "title": "WM4",
  "technology": "multijet",
  "description": "Brass multijet hot; 15/20/25/32/40/50 mm",
  "notes": "Class-B, dry dial, magnetic drive, to 90°C, 1.0 MPa working, BSP union ends",
  "facts": {
    "model": {
      "value": "WM4",
      "status": "manufacturer_claim",
      "source": {
        "document": "SANT retail price list",
        "document_date_or_revision": "August 2026",
        "page_or_section": "63–66",
        "exact_model_and_configuration": "WM4; documented family, size/options require confirmation"
      }
    },
    "manufacturer": {
      "value": "Sant",
      "status": "manufacturer_claim",
      "source": {
        "document": "SANT retail price list",
        "document_date_or_revision": "August 2026",
        "page_or_section": "63–66",
        "exact_model_and_configuration": "WM4; documented family, size/options require confirmation"
      }
    },
    "configuration_code": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "measuring_principle": {
      "value": "multijet",
      "status": "editorial_guidance",
      "source": {
        "document": "SANT retail price list",
        "document_date_or_revision": "August 2026",
        "page_or_section": "63–66",
        "exact_model_and_configuration": "WM4; documented family, size/options require confirmation"
      }
    },
    "installation_style": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "fluid_compatibility": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "conductivity_min_uS_cm": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "solids_limits": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "dn_mm": {
      "value": [
        15,
        20,
        25,
        32,
        40,
        50
      ],
      "status": "manufacturer_claim",
      "source": {
        "document": "S20: SANT RETAIL PRICE LIST 20-04-2026.pdf",
        "document_date_or_revision": "20 April 2026",
        "page_or_section": "63",
        "exact_model_and_configuration": "WM4; this document scope only"
      }
    },
    "actual_internal_diameter_mm": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "q1_m3_h": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "q2_m3_h": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "q3_m3_h": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "q4_m3_h": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "r_ratio": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "legacy_flow_ratings_with_standard": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "flow_min_m3_h": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "flow_max_continuous_m3_h": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "flow_peak_m3_h": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "peak_duration_limit": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "accuracy_expression": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "accuracy_basis": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "accuracy_conditions": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "orientation": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "temperature_fluid_C": {
      "value": "Maximum 90°C",
      "status": "manufacturer_claim",
      "source": {
        "document": "S20: SANT RETAIL PRICE LIST 20-04-2026.pdf",
        "document_date_or_revision": "20 April 2026",
        "page_or_section": "63",
        "exact_model_and_configuration": "WM4; this document scope only"
      }
    },
    "temperature_ambient_C": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "working_pressure_bar_at_temperature": {
      "value": "1.0 MPa (10 bar)",
      "status": "manufacturer_claim",
      "source": {
        "document": "S20: SANT RETAIL PRICE LIST 20-04-2026.pdf",
        "document_date_or_revision": "20 April 2026",
        "page_or_section": "63",
        "exact_model_and_configuration": "WM4; this document scope only"
      }
    },
    "pressure_loss_curve": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "wetted_materials": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "connection_standard_and_size": {
      "value": "Female BSP parallel union ends",
      "status": "manufacturer_claim",
      "source": {
        "document": "S20: SANT RETAIL PRICE LIST 20-04-2026.pdf",
        "document_date_or_revision": "20 April 2026",
        "page_or_section": "63",
        "exact_model_and_configuration": "WM4; this document scope only"
      }
    },
    "face_to_face_mm": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "straight_runs_and_conditions": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "sensor_ip_and_immersion_conditions": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "transmitter_ip": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "power_configuration": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "battery_life_and_assumptions": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "included_outputs": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "optional_outputs": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "protocol_and_map": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "pulse_litres_per_pulse": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "measurement_log_transmit_intervals": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "offline_storage_and_backfill": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "approvals_exact_scope": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "included_accessories": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "recurring_costs": {
      "value": null,
      "status": "unknown",
      "source": null
    },
    "documented_description": {
      "value": "Brass multijet hot; 15/20/25/32/40/50 mm",
      "status": "manufacturer_claim",
      "source": {
        "document": "SANT retail price list",
        "document_date_or_revision": "August 2026",
        "page_or_section": "63–66",
        "exact_model_and_configuration": "WM4; documented family, size/options require confirmation"
      }
    },
    "documented_features": {
      "value": "Class-B, dry dial, magnetic drive, to 90°C, 1.0 MPa working, BSP union ends",
      "status": "manufacturer_claim",
      "source": {
        "document": "SANT retail price list",
        "document_date_or_revision": "August 2026",
        "page_or_section": "63–66",
        "exact_model_and_configuration": "WM4; documented family, size/options require confirmation"
      }
    },
    "body_material": {
      "value": "Brass",
      "status": "manufacturer_claim",
      "source": {
        "document": "S20: SANT RETAIL PRICE LIST 20-04-2026.pdf",
        "document_date_or_revision": "20 April 2026",
        "page_or_section": "63",
        "exact_model_and_configuration": "WM4; this document scope only"
      }
    },
    "standards_claim": {
      "value": "ISO4064 Class B",
      "status": "manufacturer_claim",
      "source": {
        "document": "S20: SANT RETAIL PRICE LIST 20-04-2026.pdf",
        "document_date_or_revision": "20 April 2026",
        "page_or_section": "63",
        "exact_model_and_configuration": "WM4; this document scope only"
      }
    },
    "body_test_pressure": {
      "value": "1.5 MPa hydraulic test; not working pressure",
      "status": "manufacturer_claim",
      "source": {
        "document": "S20: SANT RETAIL PRICE LIST 20-04-2026.pdf",
        "document_date_or_revision": "20 April 2026",
        "page_or_section": "63",
        "exact_model_and_configuration": "WM4; this document scope only"
      }
    }
  },
  "source": {
    "document": "SANT retail price list",
    "document_date_or_revision": "August 2026",
    "page_or_section": "63–66",
    "exact_model_and_configuration": "WM4; documented family, size/options require confirmation"
  },
  "size_values": [
    15,
    20,
    25,
    32,
    40,
    50
  ],
  "connections": [
    "threaded"
  ],
  "outputs": [],
  "power": [],
  "services": [
    "water",
    "hot-water"
  ],
  "conflicts": [],
  "price_band": null,
  "last_reviewed": "2026-09-09",
  "facet_note": "Discovery tags come from the documented description, including optional capabilities. Confirm inclusion and exact size/configuration.",
  "sizes_are_exact": true,
  "size_ranges": []
}