Smart Showers · Technical Guide
BathSelect® Smart Showers — Technical FAQ & Verified Product Links
Spec-grade guidance for digital mixing, smart controllers, diverters, wiring, commissioning, and hygiene. Includes verified links to BathSelect’s smart/digital shower collections and popular SKUs.
Top-Selling & Popular BathSelect Smart Showers
Models below are frequently listed across BathSelect’s Digital/Smart Shower sections and product listings. Images are placeholders—swap with your product hero images when integrating into your CMS.
Verified Collections & Filters
✔ Links above were verified to be live BathSelect category pages.
Technical FAQ — BathSelect Smart/Digital Showers
- How do I size the SELV/Class 2 driver for one smart shower?
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Sum component peaks (digital mixing valve + diverter + controller). For example, a two-outlet set might total 10 VA (DMV) + 3 VA (diverter) + 5 VA (controller) ≈ 18 VA. Add 20–30% headroom → 22–24 VA. Round to a commonly available 25–30 VA Class 2 driver per shower.
Formula: Driver_VA ≥ (Σ VA_peak) × (1 + headroom) with headroom 0.2–0.3; for banks, multiply by a simultaneity factor (0.5–0.7 typical) before adding headroom.
- What cable gauge and run length should I use?
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Use 18–16 AWG copper homeruns (star topology) from the SELV driver to each shower set. Keep round-trip runs such that DC drop is ≤5% (≤0.6 V on 12 V). If you exceed the limit, shorten runs, increase gauge, or distribute drivers.
- What are the commissioning steps I should follow on site?
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- Pre-flush hot/cold lines; clean strainers; verify 20–80 psi.
- Mount DMV/diverter; torque per spec; leak test at working pressure.
- Wire SELV driver; verify polarity; label nodes; keep LV separate from mains.
- Connect controller; set limits (e.g., 115–120 °F cap), presets, and max-run (15–30 min).
- Run auto-calibration; verify stable 104 °F (40 °C) at typical flow.
- Fail-safe test: close hot → shuts; close cold → shuts; remove power → shuts.
- Exercise outlet switching; check anti-hammer ramps and cross-flow isolation.
- Document settings; export a commissioning snapshot (where supported).
- How do I mitigate EMC from hand dryers and VFDs?
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Keep LV wiring away from mains and motor feeders; avoid shared trays. Use shielded LV cable in high-EMI zones and bond shields per wiring diagram. If interference persists, add ferrite chokes and move drivers to a cleaner branch circuit.
- What hygiene routines are supported?
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Warm-up (pre-use), Hygiene Flush (10–30 s after chosen idle period), and Thermal Purge (60–70 °C for 2–5 min, supervised). Systems auto-revert to tempered after purge. Post signage and maintain records per facility SOPs.
- Do BathSelect smart showers integrate with building management systems (BMS)?
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Local BLE commissioning is standard on many controllers. With an optional gateway, BACnet/Modbus points can expose temperatures, status, presets, enable/disable, and cleaning mode to CMMS/BMS.
- What plumbing and mixing guidelines apply?
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Maintain 20–80 psi supplies; fit PRVs above 80 psi. Use checks on H/C inlets and full-port isolation valves. For group/recirculated systems, follow ASSE 1017 at the plant for master tempering and minimize dead-legs.
- How should I plan outlet flows?
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Match your DMV Cv and supply pressure with outlet devices. Typical shower heads range 1.75–2.5 gpm. When using multiple outlets concurrently (e.g., rain + handshower), confirm combined flow within valve capacity and local code.
- What finish care is recommended?
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Use pH-neutral, non-abrasive cleaners and microfiber. Avoid chlorine bleach and harsh acids/alkalis. For scale, use diluted white vinegar or an approved descaler; rinse and dry.
- Privacy & data
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Commissioning is local-first; no personal data is stored. Usage counters are non-PII and can be exported for maintenance logs.
Planning Values — Power & Components (Typical)
| Configuration |
DMV (VA) |
Diverter (VA) |
Controller (VA) |
Driver per set |
Notes |
| Single-outlet (DMV + controller) |
10 |
— |
4 |
20 VA |
Pulse™/Sync™ class controllers |
| Two-outlet (DMV + 2-port diverter + controller) |
10 |
3 |
5 |
25–30 VA |
Auto-purge between outlets |
| Four-outlet (DMV + 4-port diverter + controller) |
15 |
5 |
6 |
35–40 VA |
Check combined outlet gpm vs Cv |
Use 18–16 AWG copper homeruns (star topology). Keep DC voltage drop ≤5% (≤0.6 V @ 12 V). For banks, apply simultaneity (0.5–0.7) then add 20–30% headroom.
Resources & Downloads
✔ All links above were checked against BathSelect.com category or product pages.
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