The Coast RV Caravan Pressure Accumulator Tank is an essential plumbing accessory that dramatically reduces water pump cycling, extends pump motor life, and eliminates the pulsing water flow often experienced with diaphragm pumps in caravans and motorhomes. By maintaining a pressurised air cushion, the accumulator absorbs pressure spikes and smooths out water delivery — so your tap runs evenly and quietly, even at low flow settings.
Easy to install inline on any 12mm or 19mm plumbing system, the accumulator tank connects between the pump outlet and the first T-junction or tap in your water circuit. It is particularly effective when paired with a high-flow pump such as the Coast RV 200-20728, and is beneficial in any caravan plumbing system that uses a pressure-switching diaphragm pump. Suitable for all standard caravan, motorhome, and boat water systems.
Coast RV products ship Australia-wide from our Coast to Coast RV Warehouse. Metro orders typically arrive within 3–5 business days. Regional and remote destinations may require additional transit time. Our team will contact you if any freight surcharge applies to your delivery location before dispatch.
Warranty & Returns
Limited 12 Month Manufacturer Warranty
If you experience issues with your gear, please contact us for support.
What’s Covered?
Manufacturing defects
Faults in materials or workmanship
What’s Not Covered?
Damage caused by misuse, neglect, or improper use
Incidents occurring during delivery
Normal wear and tear from usage
How to Initiate a Warranty Claim
If you need to file a warranty claim, please follow these steps:
Contact us via email or the via the contact us
Provide the following details:
Order ID
Detailed description of the issue
Images/videos clearly showcasing the fault (ensure they meet the recommended format and size for optimal review)
Our team will assess your claim and get back to you as soon as possible.
Note: Do not open a PayPal dispute, as this may delay the resolution process. Please follow the official claim process for quicker results.
⚠ Important Note:We recommend testing your purchased product within one year of purchase. We cannot help process warranty claims beyond this period.
For full details, please refer to our other policies:
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