Ideal logic 24,30,35 Combi Flow Sensor/Turbine Kit MPN 176473

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✅ Ideal Flow Sensor/Turbine Kit 176473 — What it is

Part 176473 is a flow sensor / turbine switch used in many Ideal and related boiler models. This component sits in the boiler’s water circuit and detects water flow; if the boiler doesn’t detect the right flow, the ignition sequence is prevented.

🔧 Boiler models this fits

This 176473 flow sensor fits a large number of Ideal combi and system boiler models from across their range, including (but not limited to):

Ideal Combi Boiler Series

  • Atlantic Combi 24, 30, 35
  • Classic 2 Combi 24, 30, 35
  • Combi 24, Combi 30 (and variations)
  • Esprit Eco 24, ESprit Eco 30
  • Exclusive / Exclusive 2 Combi 24–35
  • I Combi 2 24, 30, 35
  • I Mini 24, 30
  • Independence Combi 24, 30, 35
  • Logic Combi 24, 30, 35 (including Logic Combi ESP versions)
  • MAX Combi models
  • Procombi Exclusive 24, 30, 35
  • Instinct Combi 24, 30, 35
  • Code Combi (ES / ESP) variants

Some System Boiler Variants

  • S15 IE System Gen.2
  • S18 (IE and non-IE)
  • S26, S32 system versions
  • Ultra + Combi / Ultra Combi types
  • Keston Combi / Keston C30 / C35 Combi series

(*This list includes dozens of individual GC/serial variants — check your boiler’s exact code to confirm.)

🧠 What this part does

The flow sensor/turbine switch:

  • Detects water flow when hot water or heating is demanded
  • Tells the boiler’s PCB that it’s safe to fire the burner
  • Prevents the burner from running without water flow (important safety function)

⚠️ Important tips

✔️ Always verify compatibility: Even if your boiler is the correct series name, different production prefixes or variant GC numbers can affect part fit‑up.
✔️ Match the manufacturer part number (176473) exactly — this avoids buying the wrong flow sensor.
✔️ Replace only with genuine or approved equivalent parts for safety and performance