Improved OTG wood fire coil kit
Improved OTG Wood Fire Coil Kit – Limited edition
This limited batch of OTG coil kits is built with the same no-nonsense rugged design as our original best-seller — now with a bigger tube
No wires. No motors. Just fire, gravity, and the laws of nature.
Upgraded flow. Faster heat. Same rugged design.
Built for colder temps, bigger tubs, and longer soaks — no gimmicks, just real performance
Perfect for backcountry setups, remote cabins, backyards, or anywhere you want hot water without the hassle.
Limited kits available in this run. Once they’re gone, they’re gone.
What’s included: Improved coils for more water output, push on connection, high heat high strength push on hoses, quick connect to your tub, stainless steel double sided attachments for your tub
What you need?
Drill two holes
Fill and chill
You got this
Improved OTG Wood Fire Coil Kit – Limited edition
This limited batch of OTG coil kits is built with the same no-nonsense rugged design as our original best-seller — now with a bigger tube
No wires. No motors. Just fire, gravity, and the laws of nature.
Upgraded flow. Faster heat. Same rugged design.
Built for colder temps, bigger tubs, and longer soaks — no gimmicks, just real performance
Perfect for backcountry setups, remote cabins, backyards, or anywhere you want hot water without the hassle.
Limited kits available in this run. Once they’re gone, they’re gone.
What’s included: Improved coils for more water output, push on connection, high heat high strength push on hoses, quick connect to your tub, stainless steel double sided attachments for your tub
What you need?
Drill two holes
Fill and chill
You got this