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Knowledgeable & Helpful Team
Free Nationwide Delivery | 30 Day Returns Policy | Knowledgeable & Helpful Team
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Ariston/Chaffoteaux Thermostat L.300

SKU: 691216

£18.28 inc. VAT

• Genuine Ariston part
• Delivery 1-5 days
• Free nationwide delivery
• 30 day return policy

• Genuine Ariston part
• Delivery 1-5 days
• Free nationwide delivery
• 30 day return policy



This Ariston 11″ thermostat is compatible with the Classico, Primo, Hydraflo, Primo Twin and Contract boiler ranges. The thermostat allows the user to change or set the temperature of your boiler.

Please always refer to the manufacturers instructions for the correct application. All parts should be fitted by a qualified gas-safe certificate plumber.

UK Plumbing is the UK’s favourite supplier of plumbing and heating materials. We strongly value trust, reliability and always deliver excellent service for a fair price. Our experts are waiting to help you with your plumbing, heating, or bathroom project.

This part supersedes: 65103092, 691218

Suitable for following appliances:

• Std 125/150/210L
• Direct Std 100
• Indirect STI 300
• ITD 100/150/175/210/300
• ITI 100/125/175
• ITSI 300
• Std 125/150/300L
• STI 150/210/300
• STI 125/150/210/300L
• ITD 125/250
• ITI 150
• ITI 2

Additional information



Manufacturer Code



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We deliver all around the UK using DHL and Parcelforce. Standard delivery will take 1-5 working days to reach you. However, once the order is received, we will contact you to give you a more precise timescale. Usually, we will deliver the next day, subject to the date and time of when the order is received and the product.

Orders placed during the weekend will be processed the following Monday for delivery the following day. In the case of Bank Holidays, your order will be processed the next working day and delivered the following working day.

Remote areas: For orders to some addresses, especially in the Highlands of Scotland and Offshore, next day delivery options are not available, and delivery can take several days. Saturday delivery is unavailable for these areas.