SKU: 24003317912

Defro Tegenstroom-warmtewisselaar ERV 500 (recuperatief)

$825.75 $917.50
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Description

Defro Tegenstroom-warmtewisselaar ERV 500 (recuperatief)De ERV 500 recuperatieve tegenstroom warmtewisselaar is ontworpen voor efficinte warmteterugwinning in mechanische ventilatie en warmteterugwinningssystemen. Dankzij de tegenstroomtechnologie wordt warmte uiterst effectief overgedragen tussen de afvoer en toevoerluchtstromen, wat resulteert in een hoog rendement en een laag energieverbruik. Als enthalpie warmtewisselaar (ERV) draagt de ERV 500 niet alleen warmte, maar ook een deel van het vocht over

De ERV 500 recuperatieve tegenstroom-warmtewisselaar is ontworpen voor efficiënte warmteterugwinning in mechanische ventilatie- en warmteterugwinningssystemen. Dankzij de tegenstroomtechnologie wordt warmte uiterst effectief overgedragen tussen de afvoer- en toevoerluchtstromen, wat resulteert in een hoog rendement en een laag energieverbruik.

Als enthalpie-warmtewisselaar (ERV) draagt de ERV 500 niet alleen warmte, maar ook een deel van het vocht over van de afgevoerde lucht naar de verse toevoerlucht. Dit helpt om een comfortabele luchtvochtigheid in de woning te behouden, vooral tijdens de wintermaanden wanneer de binnenlucht vaak te droog wordt. De speciale membraantechnologie voorkomt condensvorming en beperkt warmteverlies door waterdamp.

De warmtewisselaar is vorstbestendig, onderhoudsvriendelijk en gemaakt voor langdurig gebruik zonder overdracht van verontreinigingen tussen luchtstromen. Hierdoor is de ERV 500 een ideale oplossing voor energiezuinige en comfortabele ventilatie in residentiële toepassingen.

Belangrijkste voordelen

  • Zeer hoog warmteterugwinrendement

  • Overdracht van warmte én vocht voor optimaal binnenklimaat

  • Geen of minimale condensvorming

  • Minder kans op bevriezing en ontdooicycli

  • Lager energieverbruik van naverwarming

  • Antibacterieel en hygiënisch membraan

  • Lange levensduur en betrouwbare werking

  • Geen vermenging van toe- en afvoerlucht

Toepassing

Geschikt voor gebruik in warmteterugwinningsunits en mechanische ventilatiesystemen, met name in woningen waar comfort, energie-efficiëntie en luchtkwaliteit centraal staan.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 24003317912

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4.0 ★★★★★
Based on 297 reviews
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Product Reviews
A
A1 reviewer
Pawtucket, US
★★★★★ 5
Well made
Size: 11, Color: Black/Geyser
The first thing that stands out about the Columbia PFG Castback Flip sandals is the solid build and clean fishing-inspired design. The Black/Geyser color combination looks sharp and matches the product photos well. The straps feel durable and comfortable against the foot, and the footbed has a slightly cushioned feel that makes them comfortable right out of the box. Overall construction feels sturdy, which is what you’d expect from something designed for outdoor or water use. In everyday wear, the sandals are comfortable and easy to walk in. The footbed provides decent grip and support, and the textured surface helps keep your foot from sliding around when they get wet. They work well for casual use, whether it’s around the house, at the beach, or after a day on the water. The lightweight feel also makes them easy to pack for trips or outdoor activities. After wearing them for a while, they hold up well and remain comfortable for daily use. The materials seem durable and the straps stay secure without stretching out. They’re simple, reliable sandals that work well for warm weather, boating, or casual summer wear. Overall, they’re a solid choice for anyone looking for comfortable flip flops with a slightly more rugged outdoor style.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 10, 2026
N
Nikki
Lowell, US
★★★★★ 5
Extremely comfortable with slight roomy fit
Size: 11, Color: Black/Geyser, Size: 11, Color: Black/Geyser
These are easily the most comfortable flip flops I have ever owned. From the moment I put them on, there was no break in period at all. They felt soft, supportive, and ready for all day wear right out of the box. The cushioning is excellent without feeling too soft, and they have a nice stable feel when walking. They are lightweight and clearly made with quality materials, making them great for everyday use or around water. One thing to note is that they run a little on the larger side, so if you are between sizes, you may want to consider sizing down for a better fit. Overall, these are a great combination of comfort, durability, and function. I would absolutely recommend them, especially if comfort is your top priority. (Excuse the teeth marks- my dog unfortunately got ahold of them before I snapped the photo- they are PERFECT out of the box)
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Reviewed in the United States on March 22, 2026
D
Daniel S
Battle Creek, US
★★★★★ 5
Comfortable Flip-Flops with a Clean, Sporty Look
Size: 13, Color: Black/Geyser
I picked up the Columbia Men’s PFG Castback Flip in the black and white colorway, and the first thing I noticed was how comfortable they felt right out of the box. How They’ve Been Used: Even though it’s still winter, I’ve been wearing them around the house occasionally to get a feel for the fit and comfort. I plan to use them more regularly outdoors once the weather warms up. What Worked Well: Immediate Comfort: The footbed feels cushioned and supportive without needing a break-in period. Secure Fit: The straps sit comfortably without rubbing or feeling stiff. Lightweight Design: Easy to slip on and off for quick wear. Clean Style: The black and white combination gives them a sharp, versatile look. Positive Feedback: My wife has already commented on how good they look. Things to Keep in Mind: Seasonal Use: Best suited for warmer weather and casual settings. Sizing: Checking the size guide helps ensure the right fit. Bottom Line: Based on my experience so far, these flip-flops offer a great balance of comfort and style. They’re comfortable enough for everyday wear and look sharp enough for casual outings. I’m looking forward to putting them to full use once spring arrives.
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Reviewed in the United States on February 27, 2026
E
Erik C
West Palm Beach, US
★★★★★ 5
Columbia always makes great stuff
Size: 14, Color: Espresso II/Black
Even with my flat feet these offer a lot of padding which makes these extremely comfortable. They increase my height about an inch haha. These are great for walking around the beach or just going for walks. The tread on the bottom of these make walking up hills where the surfaces are not completely even extremely easy and very grippy. Time will tell how durable these are, but so far they're holding up very well.
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Reviewed in the United States on March 15, 2026
J
JandJ
Carnegie, US
★★★★★ 5
Comfortable Lightweight Flip Flops with Reliable Grip
Size: 9, Color: Black/Geyser, Size: 9, Color: Black/Geyser
These flip flops have an excellent fit with a cushioned footbed that makes them very comfortable to wear for long periods. The grip is strong on wet surfaces, which adds confidence when walking around pools, beaches, or after rain. The overall quality feels top tier, and the color looks clean and well finished. They are lightweight, and the sizing was spot on, making them easy to slip on and wear throughout the day.
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Reviewed in the United States on March 11, 2026

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