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The Heatmiser neoStat-HW v3 in sapphire black is a dedicated hot water programmer with changeover contacts, suited to standard and mid-position Y-plan valve systems. It replaces an existing 230V three-wire programmer, offers 5/2 day, 7 day and 24 hour scheduling with a one-touch boost, and adds app control when paired to a neoHub Gen 2 or later.
Heatmiser neoStat-HW v3 Hot Water Programmer – Sapphire Black
The Heatmiser neoStat-HW v3 is a hot water programmer with changeover contacts, making it ideal for standard and mid-position valve systems. It is designed to replace existing 230V three wire programmers and is compatible with standard and mid position (Y-Plan) valve arrangements.
Flexible programming covers 5/2 day, 7 day and 24 hour schedules with 5-minute intervals. Up to four on and off periods can be programmed each day, allowing hot water operation to be matched to the household routine, and the boost function provides temporary hot water outside the normal schedule — once the boost period ends, the programmer returns to its standard settings.
⚠️ Hub compatibility: The neoStat-HW v3 requires a neoHub 2nd Generation or later and is not compatible with the original 1st Generation neoHub
This product must only be installed by a qualified electrician, and requires a wall back box with a minimum depth of 35mm.
| Specification | Details |
|---|---|
| Brand | Heatmiser |
| Model | neoStat-HW v3 |
| Colour | Sapphire Black |
| Type | Hot Water Programmer / Time Clock |
| Supply | 230V AC |
| Contacts | Changeover |
| Dimensions | 85 × 85 × 13 mm |
| Back Box | 35mm minimum depth |
| Mounting | Flush mount |
| Programming | 5/2 day, 7 day, 24 hour |
| Switching Periods | 4 per day, 5 minute intervals |
| System Compatibility | Standard and mid-position (Y-Plan) valve systems |
| Smart Control | Requires neoHub Gen 2 or later |
| Not Compatible With | neoHub 1st Generation |
| Warranty | 2 years return to base |
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