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Description
C‑TEC ActiV C4403B Fixed‑Temperature Heat Detector, 75°C Class B, 2‑Wire, EN54‑5 C4403BIntroducing the C4 EN54 5 B Heat Detector, an essential component for any fire safety system. This high performance heat detector is designed to ensure optimal safety in your premises. Key features include: High quality Type B heat detection to a fixed temperature of 75C. Manufactured by C TEC in the UK, ensuring reliability. Third party certified to EN54 5 by Intertek, offering peace of mind. Wide operating voltage from 6 33V DC. Two ultra bright red
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.6 ★★★★★
Based on 1760 reviews
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Product Reviews
★★★★★ 5
High quality supplement
Size: 180 Count (Pack of 1)
My doctor recommended a high quality calcium capsule because I am at risk for osteoporosis. The magnesium enhances calcium absorption and helps with my insomnia. I take one capsule daily along with a diet of mostly whole foods. I am 50 years old and have taken this supplement for several years now and my annual lab tests for calcium are always in the desired range.
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Reviewed in the United States on June 23, 2021
★★★★★ 5
Good calcium and magnesium together
Size: 180 Count (Pack of 1)
Size is easy to take
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Works great
Size: 180 Count (Pack of 1)
Excellent
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Truly Pure
Size: 180 Count (Pack of 1)
It’s often difficult to find a supplement that only contains the supplement of interest. So many supplements on the market have other additives. I appreciate that this supplement only has what I’m looking for.
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Reviewed in the United States on January 7, 2026
★★★★★ 4
Better for Your Body's Health
Size: 180 Count (Pack of 1)
I liked this version because it's natural without a bunch of unnecessary fillers, preservatives, flavorings, colorings, of other additives. Why can't all manufacturers follow the same example as Pure Encapsulations? Putting the customer health first!
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Reviewed in the United States on October 7, 2016
