Vaillant Boiler Bypass Valve 178980
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- Free DELIVERY
- 1 Year WARRANTY
- Same Day DISPATCH
- Product SKU: A01788-01
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Vaillant Boiler Bypass Valve (178980)
Ensure the longevity and efficiency of your heating system with this premium Vaillant Boiler Bypass Valve. This critical safety component regulates water flow within the boiler, opening when the system pressure exceeds a set limit—usually when radiator valves are closed. By maintaining a minimum flow rate through the heat exchanger, it prevents overheating, reduces pump strain, and eliminates "knocking" noises caused by restricted circulation.
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Direct Replacement: Specifically engineered as a high-quality replacement for Vaillant part number 178980.
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System Protection: Prevents the heat exchanger from reaching dangerously high temperatures during low-demand periods.
-
Operational Efficiency: Smooths out pressure fluctuations, leading to a quieter heating system and a longer lifespan for the internal pump.
-
Precision Engineering: Designed for a perfect fit within the ecoTEC range, ensuring a secure and reliable installation.
Compatible Models:
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Vaillant ecoTEC exclusive 832 (2007-2012)
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Vaillant ecoTEC exclusive 838 (2007-2012)
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Vaillant ecoTEC plus 612 (All variants & R1)
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Vaillant ecoTEC plus 615 (All variants & R2)
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Vaillant ecoTEC plus 618 (All variants & R3)
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Vaillant ecoTEC plus 624 (All variants & R4)
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Vaillant ecoTEC plus 630 (All variants & R5)
-
Vaillant ecoTEC plus 637 (All variants & R6)
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Vaillant ecoTEC plus 824 (All variants & R1)
-
Vaillant ecoTEC plus 831 (All variants & R1)
-
Vaillant ecoTEC plus 837 (All variants & R1)
-
Vaillant ecoTEC plus 937 (All variants & R1)
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Vaillant ecoTEC pro 24 (All variants & R1)
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Vaillant ecoTEC pro 28 (All variants & R1)
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Vaillant VU 126/3-5 & 126/5-5 (Plus 612)
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Vaillant VU 156/3-5 & 156/5-5 (Plus 615)
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Vaillant VU 186/3-5 & 186/5-5 (Plus 618)
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Vaillant VU 246/3-5 & 246/5-5 (Plus 624)
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Vaillant VU 306/3-5 & 306/5-5 (Plus 630)
-
Vaillant VU 376/3-5 & 376/5-5 (Plus 637)
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Vaillant VUI 376/3-5 & 376/5-5 (Plus 937)
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Vaillant VUW 246/3-3 & 246/5-3 (Pro 24)
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Vaillant VUW 286/3-3 & 286/5-3 (Pro 28)
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Vaillant VUW 246/3-5 & 246/5-5 (Plus 824)
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Vaillant VUW 316/3-5 & 316/5-5 (Plus 831)
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Vaillant VUW 376/3-5 & 376/5-5 (Plus 837)
-
Vaillant VUW 326/4-E & 386/4-E (Exclusive)
Vaillant Boiler Bypass Valve (178980)
Ensure the longevity and efficiency of your heating system with this premium Vaillant Boiler Bypass Valve. This critical safety component regulates water flow within the boiler, opening when the system pressure exceeds a set limit—usually when radiator valves are closed. By maintaining a minimum flow rate through the heat exchanger, it prevents overheating, reduces pump strain, and eliminates "knocking" noises caused by restricted circulation.
-
Direct Replacement: Specifically engineered as a high-quality replacement for Vaillant part number 178980.
-
System Protection: Prevents the heat exchanger from reaching dangerously high temperatures during low-demand periods.
-
Operational Efficiency: Smooths out pressure fluctuations, leading to a quieter heating system and a longer lifespan for the internal pump.
-
Precision Engineering: Designed for a perfect fit within the ecoTEC range, ensuring a secure and reliable installation.
Compatible Models:
-
Vaillant ecoTEC exclusive 832 (2007-2012)
-
Vaillant ecoTEC exclusive 838 (2007-2012)
-
Vaillant ecoTEC plus 612 (All variants & R1)
-
Vaillant ecoTEC plus 615 (All variants & R2)
-
Vaillant ecoTEC plus 618 (All variants & R3)
-
Vaillant ecoTEC plus 624 (All variants & R4)
-
Vaillant ecoTEC plus 630 (All variants & R5)
-
Vaillant ecoTEC plus 637 (All variants & R6)
-
Vaillant ecoTEC plus 824 (All variants & R1)
-
Vaillant ecoTEC plus 831 (All variants & R1)
-
Vaillant ecoTEC plus 837 (All variants & R1)
-
Vaillant ecoTEC plus 937 (All variants & R1)
-
Vaillant ecoTEC pro 24 (All variants & R1)
-
Vaillant ecoTEC pro 28 (All variants & R1)
-
Vaillant VU 126/3-5 & 126/5-5 (Plus 612)
-
Vaillant VU 156/3-5 & 156/5-5 (Plus 615)
-
Vaillant VU 186/3-5 & 186/5-5 (Plus 618)
-
Vaillant VU 246/3-5 & 246/5-5 (Plus 624)
-
Vaillant VU 306/3-5 & 306/5-5 (Plus 630)
-
Vaillant VU 376/3-5 & 376/5-5 (Plus 637)
-
Vaillant VUI 376/3-5 & 376/5-5 (Plus 937)
-
Vaillant VUW 246/3-3 & 246/5-3 (Pro 24)
-
Vaillant VUW 286/3-3 & 286/5-3 (Pro 28)
-
Vaillant VUW 246/3-5 & 246/5-5 (Plus 824)
-
Vaillant VUW 316/3-5 & 316/5-5 (Plus 831)
-
Vaillant VUW 376/3-5 & 376/5-5 (Plus 837)
-
Vaillant VUW 326/4-E & 386/4-E (Exclusive)
We have a 14-day return policy, which means you have 14 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.This may result in some fee cuts.
The shipping fee for the returned products is our customers responsibility. Also, the shipping fee for the first shipment will be calculated and taken from the buyer. This value comes from the shipping value it cost to send your initial order.
To start a return, you can contact us at support@aspares.co.uk If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return question at support@aspares.co.uk
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalised items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items or gift cards.
Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.
