Sunstar Residential/commercial 25k Btu/15ft U Tube Tough Guy Stage Heater/lp/single
Sunstar Residential/commercial 25k Btu/15ft U Tube Tough Guy Stage Heater/lp/single
SKU:SIR2515L5
Ships within 5-7 business days
Couldn't load pickup availability
- Available in Btu sizes from 25,000 to 45,000
- Compact size – overall length is 9’2″ for ease of installation
- Efficiencies range up to 84.5%
- Models for both natural and propane gas
- Installation as low as 8ft above floor
- CSA Design Certified for residential & commercial Installations
- Includes 36″ stainless steel gas connector
- Completely aluminized steel construction for high humidity and corrosive environments
- Products of combustion are pulled through the combustion chamber for greater safety - virtually eliminates the possibility of combustion gases leaking into the heated space
- Reliable electronic direct spark ignition system with 100% gas safety shut-off control and 30-second pre-purge - safety and efficiency assurance
- U-Tube Design provides uniform emitter tube temperatures and energy distribution on the floor unlike straight tube heaters which are always hotter at the burner end than at the exhaust end
- Heavy-duty combustion chamber, aluminum reflectors with 97% reflectivity rating, diaphragm safety switch for proof of venting, and system indicator lights
- Liquid Propane
- 25,000 BTU
- 4" vent connection


At Chimney Cricket,
We believe in providing top-quality hearth and chimney products that combine durability, efficiency, and style.
The Chimney Cricket Difference
Whether you’re upgrading your fireplace, maintaining your chimney, or enhancing your outdoor grill setup, we offer industry-leading solutions trusted by professionals and homeowners alike.

Commitment to Quality
Our commitment to quality ensures that every product meets the highest standards of craftsmanship and performance.
🏆 Why Choose Chimney Cricket?
✅ Superior Craftsmanship
Our products are made from high-quality materials like stainless steel, cast iron, and heavy-duty alloys for long-lasting durability.
✅ Expertly Designed
Engineered for maximum efficiency, our fireplace grates, dampers, and caps help improve heat output, airflow, and safety.
✅ Trusted by Professionals
Chimney technicians, masons, and DIY enthusiasts rely on our products for top-tier performance.
✅ Unmatched Variety
From chimney caps to BBQ accessories, we offer a wide selection of products to suit every need.
✅ Fast & Reliable Shipping
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FAQ
Frequently Asked Questions
Q: How do I choose the right chimney cap size?
A: Measure the outside dimensions of your flue and select a cap that fits securely. Our product descriptions include detailed sizing charts for easy selection.
Q: Are your fireplace grates compatible with all fireplaces?
A: We offer a variety of sizes and materials to fit masonry and prefab fireplaces. Check our product specs for details.
Q: Do you offer installation guides?
A: Yes! Many of our products come with step-by-step instructions, and we provide expert tips in our blog to help with installation and maintenance.
Shop with Confidence 🏡
At Chimney Cricket, we stand behind every product we sell. With fast shipping, top-rated customer support, and premium quality products, you can trust us to enhance your home’s warmth and efficiency. Explore our selection today and experience the Chimney Cricket difference!