Ideal
Ideal Thermostatic Mixing Valve Istor 173201
Ideal 173201 thermostatic mixing valve for Istor HE260 and HE325 appliances, blending hot and cold water to hold a steady outlet temperature.
At a glance
- Part type: Thermostatic mixing valve
- Also known as 1179340
£209.46
£174.55 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Ideal 173201 is a thermostatic mixing valve supplied for Ideal Istor appliances. It blends the hot and cold water feeds within the appliance so the outlet temperature stays steady as demand and inlet conditions change. The valve is listed under Ideal's spares range and carries the alternative number 1179340.
Signs this part needs replacing
- Outlet temperature drifts or swings between hot and cold instead of holding steady
- Hot water runs cooler than the set point, or scalding hot with no modulation
- Temperature changes sharply when another outlet in the property is opened
- Scale or debris in the valve body causing sticking or sluggish response
- Water weeping from the valve body or its connections
Before you order
- Check the GC number on the appliance data badge against the compatibility list to confirm the model
- Confirm the appliance is an Istor HE260 or HE325 before ordering
- Inspect the seals and connections at the valve during removal and replace any that are perished
- Have the alternative number 1179340 to hand if cross-referencing against older Ideal documentation
Mechanical
| Part type | Valves General, Assembly |
|---|---|
| Length | 0.1mm |
| Width | 0.1mm |
| Depth | 0.1mm |
Compliance
| Manufacturer part number (MPN) | 173201 |
|---|---|
| Barcode / EAN | 5022141732010 |
| Commodity code | 8481 80 11 00 |
| Alternative numbers | 1179340 |
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| IDEAL IDEAL : ISTOR HE260 | — | — | — | |
| IDEAL IDEAL : ISTOR HE325 | — | — | — | |
| IDEAL ISTOR HE260 | 41-394-13 | 41-394-13 | — | — |
| IDEAL ISTOR HE325 | 41-394-14 | 41-394-14 | — | — |
| IDEAL COMMERCIAL IDEAL COMMERCIAL PARTS | — | — | — |
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
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