★★★★★ 5
Comfortable
Size: Medium, Color: Set-unbl
Soooo comfy
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Reviewed in the United States on May 7, 2026
Viessmann 25kw Boiler with Flue
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Viessmann 25kw Boiler with FlueViessmann 25kW condensing boiler system designed for medium to large domestic properties and light commercial applications. Delivers efficient heating and hot water with output suitable for homes requiring robust thermal capacity. This unit includes an integrated flue kit, simplifying installation and reducing additional pipework requirements. Viessmann engineering ensures reliable performance and compliance with current UK Building Regulations. Ideal
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Your Viessmann 25kw Boiler with Flue orders ship within 1-2 business days.
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- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.5 ★★★★★
Based on 1771 reviews
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Product Reviews
★★★★★ 4
Could be longer in the legs but that’s my preference
Size: X-Large, Color: Set-un2
Very comfortable just wish they were a little longer
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Reviewed in the United States on February 25, 2025
★★★★★ 5
Perfect for my body and fit preference, plus COTTON
Size: X-Large, Color: Set-unbl
Update: Different color packs fit differently. I've purchased two packages, one all-black and one black with the colorful waistbands. The all-black are a little smaller. IMO the all-black run a half to a full size small, and the black with the colorful waistbands run true to size.
Listen, all of our bodies and preferences are so different, but these are perfect for my body and my fit preference. They hit at my bellybutton and I would describe the length as short-boyshorts, but not hipsters. Most importantly, they're cotton, which my body reacts much better to these days.
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Reviewed in the United States on February 13, 2026
★★★★★ 5
Good quality
Size: Medium, Color: Set-unbl
They fit perfectly and seem well made
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Reviewed in the United States on February 22, 2026
★★★★★ 5
Will be buying more
Size: X-Large, Color: Set-unbl
LOVE THESE!
They’re so comfortable and stretchy.
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Reviewed in the United States on April 24, 2026
