SunEarth CopperStor Drainback Reservoir 7.5 Gal
SunEarth CopperStor Drainback Reservoir 7.5 Gal is backordered and will ship as soon as it is back in stock.
Harness the power of solar thermal innovation with the EarthSun 7.5 Gal CopperStore Drainback Reservoir, a premium component designed for efficient drainback system performance and long‑term durability. Built from high‑grade copper and precision‑machined brass fittings, this reservoir ensures optimal heat transfer and corrosion resistance in both residential and commercial solar thermal setups.
Its expanded 7.5‑gallon capacity supports larger installations while maintaining compact form and easy integration. The black powder‑coated base provides stability and a professional finish, making it ideal for demonstration displays, training environments, or live system installations.
⚙️Key Features:
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Copper Construction – Superior heat conductivity and long‑lasting durability
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Drainback System Design – Engineered for reliable fluid return and freeze protection
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7.5 Gallon Capacity – Supports mid‑size to large solar thermal arrays
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Precision Brass Fittings – Leak‑resistant connections for ½″ copper tubing
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Powder‑Coated Base – Stable, corrosion‑resistant foundation for secure mounting
⚙️Technical Specifications:
| Specification | Details |
|---|---|
| Material | Copper tank with brass fittings |
| Capacity | 7.5 gallons (28.4 liters) |
| Tubing Compatibility | ½″ copper tubing |
| Dimensions | 12″ L × 12″ W × 20″ H |
| Weight | ≈ 32 lb (14.5 kg) |
| Base Finish | Black powder‑coated aluminum |
| Applications | Solar thermal drainback systems, educational demos, trade shows |
⚙️Technical Documents:
SunEarth CopperStor Drainback Reservoir 7.5 Gal
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Let customers speak for us
Excellent product for descaling tankless water heater.
Once again, great quick service
Great service. Happy to find the products I needed.
Great place to order from. No complaints.
Had everything i needed and step by step directions!
Excellent product! Customer service via email was timely & supportive... Shipping was quicker than expected... Thx!
Great service, quick, my new go to store/website
Works really well, this seals well also.
Dont use too much and dont put that much heat on it.
Haven't tested when water is in the system but over all is better than oatey no 5.
I am very happy with my experience. We had a shipping issue on my first order, and after working with PLUMBESTORE, they sent me another part ASAP. The part arrived very quickly and as described.
Flux works great, like nothing I’ve ever used before. Good buy Oatey junk!
Quick transaction and shipping.
SanCO2 products are exemplary.but what was most impressive about my recent order was the superb service of PlumbEstore as provided by David. Great efficiency, accuracy, expertise and delivery were perfect. That is a true rarity in today's professional marketplace and deserves recognition & support.
