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Hi-Temp Alert - High Temperature Alarm

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The Hi-Temp Alert is a high temperature alarm with internal and remote signaling capabilities. It is used in conjunction with saunas, steam rooms, spas and hot tubs. The alarm is set at a desired temperature. If the temperature rises above the set point, the alarm sounds and interrupts the power to the heating source. The audible part of the alarm can be silenced after it has been activated by high temperature conditions. However, this will not reset the power to the heating source. The heating source can only be reset by an attendant after the system has cooled to a point below the alarm set point. A perfect solution for commercial applications such as spas, hotels and resorts.

NOTE: We do offer a heater with a built-in high temperature alarm, which may be a more economical solution if you don't already have the heater. Call us for details.


  • Safety Interlock (for manual reset)
  • Independent alarm silencer
  • Audio and visual alarm indicators
  • Easy low voltage installation for new or existing installations
  • Probe accurate to 500' with 18-gauge wire
  • Fail-safe mode
  • Remote alarm capabilities
  • Digital temperature readout
  • Optional locking cover available
  • Interfaces with all electrically controlled heating sources, including millivolt systems

Warranty Information:

Your Hi-Temp Alert alarm system is warranted to the original user for a period of twelve (12) months from date of original purchase/installation/start up (maximum 6 months after purchase) against defects in manufacture, provided the unit is installed as per the enclosed instructions.

Please Note: Hooking the unit up when power is on, including disconnecting and or reconnecting probes, will damage the unit and void the warranty.

Product Specifications:

  • Dimensions: 5" × 8" × 1-1/2"
  • Input: 115VAC
  • Remote alarm output: 12V DC 0.5A
  • Relay contact ratings: 10A-115V/5A-230V
  • Max power consumption: 15 Watts
  • Set range: 100 °F to 200 °F
  • Internal audible alarm: 90 dB at 4'
  • 1/4" × 1-1/2"
Return, Exchange FAQs

Read below for more information or please visit our FAQs page for anything about Saunas or returns, shipping and delivery here.

Product Guarantees

At Superior Saunas we hand pick the best products, we hold pride for our amazing customer service, one of the largest distributers in the USA for all things Sauna and include education materials in our site along with additional information for every product we sell. Please read below for more information on our guarantees and FAQs.

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Hi-Temp Alert - High Temperature Alarm - Superior Saunas


  • Quality Assurance

    We use high-quality materials and construction methods in all of our hand-made sauna kits, and offer warranties across our carefully selected brands.

  • Amazing Customer Service

    Our knowledgeable Design Consultants are headquartered along the shores of Lake Superior, ready to help you with your sauna build project pre & post-purchase.

  • Wide Range of Products

    From DIY sauna kits to steam rooms and accessories, we provide a comprehensive range of products to make your sauna dreams a reality.

  • Educational Resources

    We provide extensive information and resources about sauna installation & maintenance. Our team is very helpful and resourceful for both new & experienced sauna-goers.


What is the timeline for shipping?

Depending on the product orders will ship from the warehouse within 1 to 5 business days with typically 3 to 5 days in transit. Only occasionally orders may take up to 3 weeks depending on very heavy sales volumes and product availability. Superior Sauna currently ships by U.S. Postal Service Priority Mail and FedEx Ground, daily Mon-Fri. We do not ship on weekends or holidays.

Otherwise for FedEx Express: Orders placed before 1pm Central Standard Time should allow for us to schedule an Express pickup before the daily cutoff, otherwise next scheduled Express pickup day.

What is the return window?

Returns must be made within 30 days of receiving your goods.

What should I expect with freight orders?

For pallet shipping of orders: sauna kits, large Do-It-Yourself parts, commercial sauna heaters, sauna or steam room doors, etc., the U.S. Special freight company will pick up the order from our factory and transfer the order to beyond carrier if outside the Midwest. Sauna kit and custom DIY parts order delivery lead time is usually 2-4 weeks, depending on how many custom sauna orders are currently in production. Freight orders ship weekdays typically 3 to 7 days in transit in the US. Your order is delivered to your driveway, which can be unloaded by hand in bundles with 2 people or with fork lift at delivery site. Most bundles are between 10 and 40 lbs, sauna doors approx. 80 lbs., and wood sauna stoves are approx. 130 lbs.

Can't find the answer you are looking for?

Check out our FAQ's page or contact our customer service team via email or phone.

FAQ Page

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