EasyPro CAS1 Compact Pond Aeration Kit – Single Outlet Air Pump System for Ponds up to 1,000 Gallons
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Description
The EasyPro CAS1 Compact Aeration Kit is a complete, plug-in aeration system for ponds up to 1,000 gallons. Powered by a quiet, energy-efficient diaphragm compressor drawing just 2.7 watts on 115V household current, the CAS1 delivers continuous dissolved oxygen to your pond 24 hours a day, 365 days a year — for only pennies per month in electricity.
This complete kit includes everything needed for immediate installation: compressor, 25 feet of black vinyl tubing, one airstone diffuser, and a check valve. Place the air stone at up to 4 feet of depth, route the tubing to a sheltered location, and plug in. Backed by EasyPro's 2-year compressor warranty.
Key Features & Benefits
Technical Specifications
| Specification | Value |
|---|---|
| SKU | CAS1 |
| Recommended Pond Size | Up to 1,000 gallons |
| Maximum Depth | 4 feet |
| Compressor Type | Diaphragm compressor |
| Voltage | 115V (standard US household current) |
| Power Draw | 2.7 watts |
| Maximum Air Flow | 0.14 CFM |
| Power Cord Length | 6 feet |
| Tubing Included | 25 feet of black vinyl tubing (one roll) |
| Outlets | Single (1) |
| Weather Protection | NOT weatherproof — requires ventilated outdoor enclosure or shed |
| Operation | Continuous duty — 24/7 year-round |
| De-icing Use | Suitable — place air stone 12” below surface |
| Weight | 3 lbs |
| Warranty | 2-year compressor warranty |
What's Included
- Single-outlet diaphragm compressor with 6-foot power cord
- 25 feet of black vinyl tubing (one roll)
- Airstone diffuser
- Check valve — prevents backflow and protects the compressor
- Installation instructions
EasyPro CAS Series — Full Family
| Model | Outlets | Pond Size | Power | Tubing |
|---|---|---|---|---|
| CAS1 ← This | 1 | Up to 1,000 gal | 2.7W | 1 × 25 ft |
| CAS2 | 2 | Up to 2,000 gal | 4W | 2 × 25 ft |
| CAS4 | 4 | Up to 4,000 gal | 8.2W | 4 × 25 ft |
Frequently Asked Questions
What is included in the EasyPro CAS1 Compact Aeration Kit?
The CAS1 is a complete aeration kit for ponds up to 1,000 gallons. It includes a single-outlet diaphragm compressor (115V, 2.7W, with 6-foot power cord), 25 feet of black vinyl tubing, one airstone diffuser, and a check valve. The check valve is an important component — it prevents water from being siphoned back up the tubing to the compressor when the pump is off (particularly relevant if the air stone is placed at depth and the compressor is elevated above pond level).
Note: The compressor is not weatherproof and requires a ventilated outdoor enclosure or sheltered location. The air stone, check valve, and tubing are designed for pond use.
Can the EasyPro CAS1 be used as a pond de-icer in the winter?
Yes — the CAS1 is an effective and energy-efficient winter de-icing method for ponds up to 1,000 gallons. For de-icing, place the air stone approximately 12 inches below the water surface (not at the bottom). The rising bubbles create localized surface water movement that prevents a complete ice-over, maintaining a small open area in the ice for gas exchange — oxygen in, toxic gases out — which is critical for fish survival through winter.
Advantages over electric heater de-icers: the CAS1 uses only 2.7 watts continuously vs. 100–300+ watts for heating elements. The compressor itself must still be protected from freezing temperatures in a heated or insulated enclosure.
How energy-efficient is the CAS1 aeration compressor?
The CAS1 diaphragm compressor draws 2.7 watts at 115V continuously. Running 24 hours per day, 365 days per year:
- Annual consumption: 2.7W × 8,760 hours = 23.65 kWh per year
- Annual cost at $0.13/kWh (US average): approximately $3.07 per year
By comparison, a typical 150-watt submersible pond pump running 12 hours/day costs roughly $85/year. The CAS1 provides meaningful aeration for a fraction of the energy cost of a waterfall pump.
How deep can I place the air stone with the CAS1 system?
The CAS1 compressor is rated to operate at a maximum air stone depth of 4 feet. Placing the diffuser deeper creates greater back-pressure than the diaphragm compressor can overcome, which will dramatically reduce air output and accelerate diaphragm wear. For most small backyard ponds (which are typically 2–3 feet deep at maximum), this is not a constraint. For deeper installations, EasyPro's higher-capacity linear aeration kits are more appropriate.
Does the compressor need to be protected from rain and snow?
Yes — the CAS1 compressor is NOT weatherproof and must be protected from the elements. Rain, snow, and moisture exposure will damage the internal diaphragm and electrical components. Install the compressor in one of these suitable locations:
- Inside a small ventilated outdoor equipment box or shed
- Under a covered deck or overhang with good air circulation
- In a garage or utility area near the pond
The compressor requires airflow to prevent overheating, so any enclosure must be ventilated — do not seal it in an airtight container. The tubing, check valve, and air stone are all intended for outdoor/pond use; only the compressor body requires shelter.
What maintenance is required for the EasyPro CAS1 kit?
The CAS1 requires minimal maintenance:
- Air stone (every 3–6 months): Check for mineral buildup (white calcium/lime deposits) that reduces bubble output. Soak in diluted white vinegar for several hours to dissolve mineral deposits and rinse with clean water before reinstalling. Replace with EasyPro replacement airstone (SKU: CRAS1) when cleaning no longer restores adequate flow.
- Air intake filter (monthly): Check the small foam/felt filter on the compressor air intake for dust and debris. A clogged intake filter reduces maximum air output. Clean or replace as needed.
- Diaphragm (annually or as needed): The internal diaphragm will eventually wear and require replacement. EasyPro offers a Replacement Diaphragm Kit (SKU: CMC3RK). Signs of diaphragm wear include reduced bubbling or complete stoppage with the compressor still running.
Why Buy from Pond Pro Direct?
- Authentic EasyPro products with 2-year compressor warranty support
- Expert pond aeration guidance — call or text (765) 508-4352, Mon–Fri 9am–5pm EST
- Free shipping on all orders
- Price match guarantee on identical products
- 30-day return period on eligible items
Price Match
At Pond Pro Direct, we want you to shop with confidence, knowing you’re always getting a good deal.
We will match or beat the lowest online price on its products.
If you find a lower price for any products on our store, we will beat it by $50 for products listed over $2000. In order to be eligible, you must provide proof, whether a screenshot, invoice, email, etc. of the lower offer.
Please note that this does not apply to every product in the store, so reach out via email or chat for confirmation before purchasing.
For the policy to apply, simply send us a screenshot, link, or any other proof of the lower price.
For more information, please check out Price Match Policy Page
Shipping & Delivery
Order Processing
Orders are processed within 1–5 business days, depending on product type, brand, and fulfillment method. Products sold on Pond Pro Direct ship directly from manufacturers or authorized distribution partners and do not ship from a single centralized warehouse.
Processing times may vary by brand, item type, fulfillment method, and whether an item is made to order or ships via freight.
Order Confirmation
After placing your order, you will receive an order confirmation email confirming that we have received your order and pre-authorized your payment method.
Once your order is received, we contact the manufacturer or distribution partner to confirm availability and fulfillment timelines.
- If an item is unavailable or on backorder, we will notify you by email and void the pre-authorization.
- If the item is available, the payment will be processed and the order submitted for shipment.
Order Shipment
If your order is in stock and payment is processed, it will typically ship within 6–13 business days. Once your order ships, tracking information (when available) will be sent to the email address provided at checkout.
If you do not receive shipping confirmation within 6 business days, please contact us at support@pondprodirect.com.
Shipping Destinations
At this time, we primarily ship within the United States. Some products may be available for shipment to Canada. If the website allows checkout and accepts your shipping address, the product is eligible for delivery to that location.
Changing Your Shipping Address
Address changes after an order has been processed or shipped may result in delays or additional carrier fees. Any carrier charges associated with address changes are the responsibility of the customer.
Shipping Times
All shipping times are estimates only and not guarantees.
- Typical handling time: 1–5 business days
- Typical transit time after shipment: 5–8 business days
- Estimated delivery window: 6–13 business days
Delivery timelines may vary based on brand, item type, production status, freight requirements, and carrier availability.
If an order is cancelled after it has been processed or shipped, the customer may be responsible for applicable shipping charges, freight fees, carrier return fees, and warehouse handling costs, where applicable.
Shipping Options
Available shipping options vary by product and location.
Our standard Curbside Delivery option is provided at no additional cost where applicable and delivers the item to the curbside or driveway of the delivery address.
Additional options, such as Threshold Delivery or White Glove Delivery, may be available for select products and locations.
For full details regarding freight delivery, inspection requirements, liftgate service, returns, and customer responsibilities, please review our full Shipping Policy page.
Returns & Refunds
Cancellations & Refunds
Orders may be canceled free of charge before shipment, unless the item is classified as Custom or Made-to-Order (see below).
If you have questions about your order, please contact us at support@pondprodirect.com or call (765) 508-4352 during business hours.
Cancellations (Before Order Ships)
If you need to cancel an order before it ships, please contact us as soon as possible. Orders canceled prior to shipment are eligible for a full refund.
You can reach our team by phone at (765) 508-4352, via live chat on our website, or by email at support@pondprodirect.com.
Cancellations (After Order Ships)
Once an order has shipped or entered fulfillment, it may no longer be eligible for cancellation. If you no longer wish to keep the item, you must wait until delivery and then request a return.
A Return Merchandise Authorization (RMA) is required before returning any item.
Custom or Made-to-Order Items
Custom or made-to-order products are produced specifically for your order and cannot be canceled or refunded once production has begun, except in cases of defect or error.
Product pages will clearly indicate when an item is custom or made-to-order. If you are unsure whether an item falls into this category, please contact us before placing your order.
Returns & Refunds
Returns are subject to the following conditions:
- Customers have 30 days from delivery to request a return, unless otherwise stated on the product page or by manufacturer policy
- Items must be unused, uninstalled, and in original packaging
- An RMA is required prior to returning any item
Because we ship products directly from manufacturers, return eligibility may vary by brand. If a manufacturer does not permit returns on a specific product, we may be unable to accept the return. Please contact us if you would like confirmation of return eligibility for a specific item.
Fees & Shipping Costs
- Return shipping costs are the responsibility of the customer unless the item is defective or shipped in error
- Freight / LTL shipments may incur higher return shipping costs due to carrier fees
- Approved returns of non-defective items may be subject to a restocking fee of up to 25%
- Original outbound shipping charges are non-refundable
If you are exchanging an item rather than returning it outright, we may be able to assist with some costs depending on the product and manufacturer.
For full details, including freight deliveries, damage reporting requirements, and manufacturer-specific terms, please review our complete Return and Refund Policy
