Ariston Thermowatt TAS-AR Bipolar Immersion Heater Thermostat
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Ariston TAS-AR Dual Safety Plug-In Immersion Thermostat (Part: 691216)
Product OverviewThe Ariston TAS-AR Bipolar Stem Thermostat is a genuine OEM heating control unit manufactured by Thermowatt in Italy. This heavy-duty plug-in thermostat regulates daily operating temperatures inside unvented hot water cylinders while offering premium dual-layer safety protection. [1]Equipped with an integrated Securité Bipolaire safety manual-reset trip, it monitors temperature thresholds up to 105°C (T 105). In the event of a dangerous over-temperature situation, the thermostat cuts power across both the live and neutral connections simultaneously, physically isolating the heating grid to eliminate the risk of over-boiling or cylinder rupture. It functions using an 11-inch (270mm–300mm) copper/brass probe rod that drops directly into immersion element pockets.
Key Features & Technical Specifications
Industry Part Numbers & Cross-References
🛠️ Complete Compatibility MatrixThe Ariston 691216 thermostat is universally specified across various premium unvented domestic hot water cylinders, storage boilers, and twin-coil solar/thermal storage systems distributed throughout the UK and Europe.
1. Direct Ariston Cylinder RangesThis thermostat fits standard capacities across these core Ariston lines (including 100L, 125L, 150L, 210L, and 300L configurations)
2. Group Brand & Cross-Compatible CylindersBecause Ariston belongs to Ariston Group (incorporating Chaffoteaux), this precise 11" stem thermostat is a factory standard replacement for:
Product OverviewThe Ariston TAS-AR Bipolar Stem Thermostat is a genuine OEM heating control unit manufactured by Thermowatt in Italy. This heavy-duty plug-in thermostat regulates daily operating temperatures inside unvented hot water cylinders while offering premium dual-layer safety protection. [1]Equipped with an integrated Securité Bipolaire safety manual-reset trip, it monitors temperature thresholds up to 105°C (T 105). In the event of a dangerous over-temperature situation, the thermostat cuts power across both the live and neutral connections simultaneously, physically isolating the heating grid to eliminate the risk of over-boiling or cylinder rupture. It functions using an 11-inch (270mm–300mm) copper/brass probe rod that drops directly into immersion element pockets.
Key Features & Technical Specifications
- Authentic OEM Replacement: Genuine Ariston spare part engineered by Thermowatt (Italy).
- Safety Mechanism: Dual-function regulation with a high-limit independent manual reset safety cutout.
- Bipolar Isolation: Two-pole cutting system isolates both Live and Neutral electrical lines under critical fault conditions.
- Overheat Cutoff Trigger: Calibrated to trip at precisely 105°C (T 105).
- Electrical Load Rating: 250 Volts AC ~ 15 Amps.
- Stem Probe Length: 11-Inch (270mm to 300mm total projection).
- Installation: Convenient slide-and-plug pin terminal block matching standard domestic water immersion units.
Industry Part Numbers & Cross-References
- Ariston Part Numbers: 691216, 691218 (Directly replaces the legacy 691218 variant)
- Thermowatt / Indesit Part Number: C00014877
- Alternative Wholesaler References: TAS-AR 300 FP, 11617
🛠️ Complete Compatibility MatrixThe Ariston 691216 thermostat is universally specified across various premium unvented domestic hot water cylinders, storage boilers, and twin-coil solar/thermal storage systems distributed throughout the UK and Europe.
1. Direct Ariston Cylinder RangesThis thermostat fits standard capacities across these core Ariston lines (including 100L, 125L, 150L, 210L, and 300L configurations)
- Ariston Classico unvented storage cylinders.
- Ariston Primo & Primo Twin Coil cylinders.
- Ariston Contract STD / Contract STI cylinders.
- Ariston Contract Protech & Comfort Protech systems.
- Ariston Super Bravo unvented ranges.
2. Group Brand & Cross-Compatible CylindersBecause Ariston belongs to Ariston Group (incorporating Chaffoteaux), this precise 11" stem thermostat is a factory standard replacement for:
- Chaffoteaux et Maury Hydraflo Indirect Cylinders (150 Litre & 210 Litre versions).
- Sanitron / Protech industrial unvented commercial storage buffers
