---
product_id: 523555770
title: "Premium -100° Boiler System Antifreeze - Propylene Glycol Heating & Cooling Fluid - Made in USA - 1 Gallon (032700)"
brand: "star brite"
price: "€ 232.31"
currency: EUR
in_stock: true
reviews_count: 13
category: "Star Brite"
url: https://www.desertcart.com.cy/products/523555770-premium-100-boiler-system-antifreeze-propylene-glycol-heating-and-cooling
store_origin: CY
region: Cyprus
---

# Superior heat transfer efficiency Burst protection down to -100ºF Premium corrosion inhibitors Premium -100° Boiler System Antifreeze - Propylene Glycol Heating & Cooling Fluid - Made in USA - 1 Gallon (032700)

**Brand:** star brite
**Price:** € 232.31
**Availability:** ✅ In Stock

## Summary

> ❄️ Stay chill, stay protected — the ultimate antifreeze for pros who demand more!

## Quick Answers

- **What is this?** Premium -100° Boiler System Antifreeze - Propylene Glycol Heating & Cooling Fluid - Made in USA - 1 Gallon (032700) by star brite
- **How much does it cost?** € 232.31 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/523555770-premium-100-boiler-system-antifreeze-propylene-glycol-heating-and-cooling)

## Best For

- star brite enthusiasts

## Why This Product

- Trusted star brite brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Eco-Conscious & Safe:** FDA GRAS-approved propylene glycol offers an environmentally friendlier, ethanol-free formula for peace of mind.
- • **Proudly Made in the USA:** Trust in quality and reliability with a product manufactured domestically to the highest standards.
- • **Extreme Cold Weather Defense:** Stay worry-free with burst protection down to a bone-chilling -100ºF (-73ºC) at full strength.
- • **Unmatched Thermal Performance:** Maximize your system’s efficiency with superior heat transfer designed for Aqua-Hot and Hydro-Hot systems.
- • **Long-Lasting System Protection:** Premium corrosion inhibitors safeguard your boiler’s internal components for extended lifespan.

## Overview

STAR BRITE Premium -100° Boiler System Antifreeze is a high-performance propylene glycol fluid engineered for superior heat transfer and extreme cold protection down to -100ºF. Featuring premium corrosion inhibitors and an ethanol-free, environmentally safer formula, it’s ideal for boilers, solar, and heating systems. Made in the USA and FDA GRAS-approved, it ensures longevity, safety, and efficiency in your heating and cooling setup.

## Description

Propylene glycol is deemed “Generally Recognized As Safe” (GRAS) by the US Food and Drug Administration (FDA), when used as instructed in direct food ingredients and indirect food contact applications. This makes Star brite's Boiler System Antifreeze an ideal choice for consumers looking for a safer, environmentally friendlier solution, in case of overflows, leaks, and spills. Directions: Please follow your system manufacturer’s directions for proper usage. This product is not a concentrate, but may require dilution with distilled or deionized water prior to use. Check percentage of propylene glycol antifreeze solution with a calibrated PG coolant/antifreeze refractometer.

Review: A product you can count on. - Great product I would highly recommend. I’ve purchased this product before and it worked just like it’s supposed to.
Review: Works well with my Hydro Hot water heater - This was recommended by a fellow RVer so I gave it a go and so far so good. It's been a year and the product has worked well. Good value for the money.

## Features

- SUPERIOR HEAT TRANSFER - Excellent for use in Aqua-Hot and Hydro-Hot systems
- BURST PROTECTION - Provides protection down to -100ºF (-73ºC) at full strength
- CORROSION INHIBITORS - Contains premium corrosion inhibitors to protect internal components
- VERSATILE USAGE - Perfect for use in traditional boilers, closed boilers, and solar systems
- ENVIRONMENTALLY BETTER - An ideal choice for consumers looking for a better, environmentally friendlier solution
- ETHANOL-FREE - Ensures the longevity and efficiency of your heating and cooling systems
- MADE IN USA - Quality assured, manufactured in the United States

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08RQGF4RX |
| Best Sellers Rank | #19,978 in Automotive ( See Top 100 in Automotive ) #68 in Antifreezes & Coolants |
| Brand | STAR BRITE |
| Customer Reviews | 4.7 4.7 out of 5 stars (117) |
| Date First Available | December 30, 2020 |
| Item Weight | 9.5 pounds |
| Item model number | 032700 |
| Manufacturer | Star brite |
| Manufacturer Part Number | 032700 |
| Model | Boiler System Antifreeze |
| Product Dimensions | 6 x 6 x 12 inches |

## Images

![Premium -100° Boiler System Antifreeze - Propylene Glycol Heating & Cooling Fluid - Made in USA - 1 Gallon (032700) - Image 1](https://m.media-amazon.com/images/I/71LD9ricjvL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ A product you can count on.
*by R***C on July 22, 2025*

Great product I would highly recommend. I’ve purchased this product before and it worked just like it’s supposed to.

### ⭐⭐⭐⭐⭐ Works well with my Hydro Hot water heater
*by C***. on June 20, 2025*

This was recommended by a fellow RVer so I gave it a go and so far so good. It's been a year and the product has worked well. Good value for the money.

### ⭐⭐⭐⭐⭐ As advertised
*by M***E on December 5, 2025*

This product is functioning well in the heating system of my camper. That's really amazing!

## Frequently Bought Together

- STAR BRITE Premium -100° Boiler System Antifreeze - Propylene Glycol Heating & Cooling Fluid - Made in USA - 1 Gallon (032700)
- Hydro Hot Fuel Nozzle
- PLESIU Annual Service Kit for Aqua Hot and Hydro Hot Hydronic Heating Systems .35 X 60°

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.cy/products/523555770-premium-100-boiler-system-antifreeze-propylene-glycol-heating-and-cooling](https://www.desertcart.com.cy/products/523555770-premium-100-boiler-system-antifreeze-propylene-glycol-heating-and-cooling)

---

*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-03-11*