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- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
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For Your Every Summer RSVP, with Code: SUMMER15
Description
18 l Lead-Free Potable Water Thermal Expansion TankThe 4. 8 gallon XT 18 Thermal Expansion Tank is utilized on potable water lines between the backflow preventer or pressure reducing valve and the water heater for protection against water thermal expansion in residential applications. As the system pressure increases, water enters the polypropylene lined water chamber of the tank, expanding a diaphragm into a pre charged air chamber to keep the system pressure below the relief valve setting. Materials
The 4.8 gallon XT-18 Thermal Expansion Tank is utilized on potable water lines between the backflow preventer or pressure reducing valve and the water heater for protection against water thermal expansion in residential applications. As the system pressure increases, water enters the polypropylene-lined water chamber of the tank, expanding a diaphragm into a pre-charged air chamber to keep the system pressure below the relief valve setting. Materials include a carbon steel shell with an epoxy finished coating, and corrosion-resistant stainless steel connection with a polypropylene liner and Butyl rubber diaphragm.- California residents
- Pre-charge is field adjustable for convenient maintenance
- Carbon steel shell with polypropylene liner ensures long-lasting construction
- Diaphragm style tank is ideal for thermal expansion protection in residential applications
- Stainless steel connection resists corrosion
- Low-lead law compliant
- IAPMO® Listed
- Water Quality Association - Certified to NSF/ANSI 61 & 372
- Diaphragm is made of butyl rubber
- Water chamber is polypropylene lined
Features
| Item Weight | 10 |
| Product Weight (lb.) | 10 |
| Material | Carbon Steel |
| Pack Size | 1 |
| Finish Family | White |
| Returnable | 180-Day |
| Compatible Brand/Model | Zurn Industries |
| Product Depth (in.) | 11 |
| Product Width (in.) | 11 |
| Product Height (in.) | 10.5 |
| Manufacturer Warranty | All goods sold hereunder are warranted to be free from defects in material and factory workmanship for a period on one year from date of purchase. |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.8 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 1
Does not work.
Do not use this product. It has left my RV all splotchy. It looks terrible. I am trying to find something that will work. I wish I had never used Poly glow to start with.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 9, 2022
★★★★★ 3
Not happy
Faded and peeling after a year
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 31, 2025
★★★★★ 5
Must have for campers
This stuff is amazing! Made our camper look brand new with the polish they sell in this brand. Would use nothing else on it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 21, 2025
★★★★★ 5
Fantastic Product
Size: 32 Fl Oz (Pack of 1)
Easy to use and left incredible shine!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 9, 2024
★★★★★ 5
Highly recommend on any fiberglass
Size: 16 Fl Oz (Pack of 1)
This poli glow is amazing i use it on my rv. It makes cleaning and protection from sun ray.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026