---
product_id: 249758491
title: "HTFB-R3 Medium-Duty Firebricks, 9\" x 4-1/2\" x 1-1/4\", 3 per Box, Light Brown"
brand: "hy-c"
price: "NZ$75"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/249758491-htfb-r3-medium-duty-firebricks-9-x-4-1-2
store_origin: NZ
region: New Zealand
---

# High Temp Resistance Medium Duty Grade Thermal Shock Proof HTFB-R3 Medium-Duty Firebricks, 9" x 4-1/2" x 1-1/4", 3 per Box, Light Brown

**Brand:** hy-c
**Price:** NZ$75
**Availability:** ✅ In Stock

## Summary

> 🔥 Ignite Your Fire Game with HTFB-R3!

## Quick Answers

- **What is this?** HTFB-R3 Medium-Duty Firebricks, 9" x 4-1/2" x 1-1/4", 3 per Box, Light Brown by hy-c
- **How much does it cost?** NZ$75 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/249758491-htfb-r3-medium-duty-firebricks-9-x-4-1-2)

## Best For

- hy-c enthusiasts

## Why This Product

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

## Key Features

- • **💪 Built to Last:** Made with 34%-38% alumina for enhanced strength and longevity.
- • **📦 Convenient Packaging:** Each box contains 3 bricks, ready for your next project.
- • **🧱 Versatile Applications:** Perfect for chimneys, fireplaces, and even wood-burning pizza ovens.
- • **🔥 Unmatched Heat Tolerance:** Withstands up to 2700°F for ultimate durability.
- • **🌡️ Superior Thermal Shock Resistance:** Engineered to handle rapid temperature changes without cracking.

## Overview

The HTFB-R3 Medium-Duty Firebricks are designed for high efficiency in wood-burning appliances, featuring a robust construction that can withstand extreme temperatures and thermal shock. Each box contains three durable bricks, measuring 9" x 4-1/2" x 1-1/4", making them ideal for a variety of applications including fireplaces, chimneys, and outdoor fire pits.

## Description

HY-C HTFB-R3 Medium-Duty Firebricks, 9" x 4-1/2" x 1-1/4", 3 per Box, Light Brown

## Features

- Each box includes 3 pieces; Each brick measures 9" x 4-1/2" x 1-1/4"
- ASTM Medium Duty Grade - Standard use in most high efficiency wood burning appliances
- 2700 Degrees F maximum service temperature; High thermal shock resistance
- Contains 34% - 38% alumina
- Uses include: chimneys, fireplaces, wood stoves, outdoor fire pits, back-up linings, ceramic kilns (low temp), outdoor fireplaces, wood-burning pizza ovens

## Product Details

- **Material:** Fireclay
- **Product Dimensions:** 1.25"D x 4.5"W x 1.25"H
- **Style:** Classic
- **Brand:** HY-C
- **Finish Type:** Unfinished
- **Shape:** Rectangular
- **Fuel Type:** Wood
- **Color:** Light Brown
- **UPC:** 020729810070
- **Manufacturer:** HY-C Company

## Images

![HTFB-R3 Medium-Duty Firebricks, 9" x 4-1/2" x 1-1/4", 3 per Box, Light Brown - Image 1](https://m.media-amazon.com/images/I/81y1dLo7k+L.jpg)

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**Shop now:** [https://www.desertcart.nz/products/249758491-htfb-r3-medium-duty-firebricks-9-x-4-1-2](https://www.desertcart.nz/products/249758491-htfb-r3-medium-duty-firebricks-9-x-4-1-2)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-04-25*