CALEFFI Solar Hot Water Anti Frost Protection Valve 15mm 1/2" Female Thread
SKU: 16306712020

CALEFFI Solar Hot Water Anti Frost Protection Valve 15mm 1/2" Female Thread

$144.90 $161.00
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Description

CALEFFI Solar Hot Water Anti Frost Protection Valve 15mm 1/2" Female ThreadOverview CALEFFI 15mm (1 2inch) 603040 solar frost protection anti freeze valve for solar thermal systems to protect hot water storage. Prevents ice built up in domestic water circuits avoiding possible damage to water storages and pipes in hydraulic, solar and irrigation systems. Made in Italy. Australian Watermark approved. Technical Details Manufacturer: CALEFFI, Made in Italy Model: 603040 Specifications: Opening Temperature: 3C Closing

Overview

CALEFFI 15mm (1/2inch) 603040 solar frost protection anti-freeze valve for solar thermal systems to protect hot water storage. Prevents ice built-up in domestic water circuits avoiding possible damage to water storages and pipes in hydraulic, solar and irrigation systems. Made in Italy. Australian Watermark approved. 

Technical Details

Manufacturer: CALEFFI, Made in Italy
Model: 603040
Specifications:

Opening Temperature: 3°C
Closing Temperature: 4°C
Ambient Temperature Range: -30°C to 90°C 
Accuracy: ±1°C
Maximum Working Pressure: 1000 kPa

Thread Size: 1/2" BSP (15mm) Female thread (15FI)
Material: 

  • Body: DZR Alloy or EN 12165 CW602N
  • Obturator Stem: brass EN 12164 CW614N
  • Seat: Stainless Steel
  • Spring: Stainless Steel
  • Seal: EPDM 
  • Strainers: Stainless Steel 

Intended Use: Solar water heaters in frost prone area
Package Weight: 135g


Package Contents

  • CALEFFI 603040 Frost Protection Valve

Warranty

1 year replacement (parts only) warranty from the order date. Proof of purchase is required. 


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • 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: 16306712020

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elisadmmunoz
Carnegie, US
★★★★★ 4
Ideal for people with sensitive skin
Color: Pink
An almost perfect shave everywhere. Great for your skin. Water resistant.
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Reviewed in the United States on April 7, 2026
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Lisbet Laguardia
Lexington, US
★★★★★ 5
I highly recommend it to any woman who wants a quick option
Color: Pink
I absolutely loved this bikini trimmer! 💖 It's super easy to use, doesn't irritate the skin, and leaves everything very smooth and clean. The battery lasts a long time, and the design is comfortable to use on delicate areas.
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Reviewed in the United States on May 12, 2026
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Jenn
Natrona Heights, US
★★★★★ 5
Hairy beast approved
Color: Pink
I've got some thick annoying hairs thanks to my genetics - but this trimmer works great to give a close shave without any skin irritation. I am prone to ingrowns, and have noticed that using this in combination with exfoliating these have been greatly reduced. Good battery life and love that it is the perfect size for travel.
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Reviewed in the United States on May 2, 2026
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Danaisy
Bozeman, US
★★★★★ 5
Recommended
Color: Pink
Great product! It’s very easy to use and gentle on the skin. The ceramic blades work smoothly without causing irritation or cuts. I love the sleek design, the LED display to check the battery level, and the Type-C charging. It comes with useful attachments and the battery lasts a long time. Perfect for the bikini area and other sensitive zones. Highly recommended!
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Reviewed in the United States on March 20, 2026
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Bailey
Massapequa, US
★★★★★ 5
Fades stubborn dark spots fast
I have used this product for about six months to target dark and red spots left behind after my zits clear up. I was honestly surprised at how much it helped fade stubborn discoloration, even after just one use. Pros -Noticeable reduction in discoloration after one use -More effective for small spots than typical serums -Targets persistent dark/red marks specifically Cons -Effects can fade if not used regularly Overall, this has become my go-to for spot treatment because it works quickly and is more targeted than a general serum. I especially appreciate how it faded a stubborn old mark in just one application. A five star rating feels appropriate because it delivers visible results on stubborn discoloration, though consistency is needed to maintain the effect.
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Reviewed in the United States on December 14, 2025

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