Skip to content

New website, new bugs. Something not working right? Let us know!

Flex Heater
Flex Heater

Flex Heater

9 reviews

Need to heat your Flex during the long Winter months? Want to make a Belgian ale with notes of pears, bananas, bubblegum, anise or even rose petals? No fear, we have the solution! Each Flex has its own sized heater and the wattage of each is carefully designed to match it. We also use a built-in thermostat, which stops the heater from getting too warm.

Learn More
Estimated Total $65.00
Add To Cart
Shipping Icon

Free Shipping for orders over $100

Overview

Some of us will have to heat our Flex during the long winter months. No fear, we have the solution! The Flex heater was carefully engineered to match the heating needs to maintain set temperatures even in the coldest winter garage. We also use a built-in thermostat which stops the heater from getting too warm. This means you get a gentle warming action when your beer drops below your desired temperature opposed to rapid heating which can overshoot or 'cook' your wort.

Our heater attaches to the insulated FLEX jacket via Velcro. It is positioned near the bottom cone section of the fermenter where the coldest liquid is. This will give the most even temperature throughout your fermenter (happy yeast!).

Technical Features 

  • Built in 95F thermostat to prevent the heater from overheating your wort 

  • 80 watts of power 

  • Durable silicone construction 

  • 5' long cord

 

Note: Our heaters were designed to keep the wort within normal fermentation temperatures. Yeast strains (like Kveik) that require higher temperatures (90F+) may require an additional heat source.

Pro Tip: If you’re looking to ferment with Kveik yeast, we recommend taping the heater to the cone as it'll help aid in heat transfer and provide for high fermentation temps.


Reviews

Customer Reviews
4.8 Based on 9 Reviews
5 ★
89% 
8
4 ★
0% 
0
3 ★
11% 
1
2 ★
0% 
0
1 ★
0% 
0
Write a Review Ask a Question

Thank you for submitting a review!

Your input is very much appreciated. Share it with your friends so they can enjoy it too!

Filter Reviews:
S
04/21/2021
Sam
Canada Canada

Virtual high-five for incredible customer service

This flex heater has been instrumental in allowing me to ferment multiple batches at one (as my fermentation fridge only accommodates a single Flex+ fermenter). However, it recently stopped working with a suspected thermostat error. Spike CS sent me a new one, and it's working like a champ. The reason I post this review is really to endorse the customer service team. In Canada, I am a secondary customer in that I must order through an authorized dealer. In spite of this, the Spike team sent me a replacement without the hassle of me going to my original supplier. Many applause guys.

DB
03/15/2021
Darin B.
United States United States

Flex Heater

good coverage, stays in place, works good.

AL
02/13/2021
Alex L.
United States United States

First one didn’t work

First one I bought didn’t work. I didn’t realize until I already had a batch in my 32 degree garage that was oddly cold. Customer service was quick to send me a new one, although they didn’t seem surprised mine didn’t work, so they may be having quality control issues with this product. They sent the new one which works fine

DM
12/21/2020
Dave M.
US US

Great service as always

Quick shipping and great communication!

  • Value
  • Recommendation
  • Ease of use
RB
12/01/2020
Ronald B.
US US

Kept temps even

Kept temps even

  • Value
  • Recommendation
  • Ease of use

Compare

Not Sure Where To Start?

Take Our Quiz

Added To Cart

You are $100.00 away from free shipping Congratulations, you've got free shipping!