Finnleo SL2-IS Control - Wi-Fi Upgrade

Finnleo SL2-IS Control – Wi-Fi Upgrade (60-Minute Timer)

Wi-Fi Remote Control

The Finnleo SL2-IS Control – Wi-Fi Upgrade brings full wireless connectivity to Finnleo's dedicated infrared and hybrid sauna control platform. Built on the same SaunaLogic2 ecosystem that powers Finnleo's traditional sauna controls, this Wi-Fi-enabled version of the SL2-IS lets you connect your infrared or InfraSauna hybrid system to the Finnleo Control mobile app, available for iPhone and Android smartphones and tablets. Once paired to your home Wi-Fi network, you can start, adjust, and monitor your sauna session from anywhere you have an internet connection — whether you're upstairs, at the office, or on the way home from the gym. The app-based control extends the SL2-IS's dual-mode functionality (Traditional and Infrared) to your phone, letting you switch between heating modes, set your target temperature, and manage lighting remotely. The system is also compatible with Google Home, Amazon Alexa, and Siri voice commands, and the account Administrator can create a shared "Family" profile so multiple household users can each control the sauna from their own device.

60-Minute Timer & Pre-Set Delay

This version of the SL2-IS is equipped with the 60-minute bath timer, allowing session length to be set anywhere from 0 to 60 minutes for either Traditional or Infrared mode. In Traditional sauna operation, the default bath time is 60 minutes with a typical bathing temperature range of 150°F to 165°F. In Infrared operation, the default temperature is 149°F with a bath time of 60 minutes, and temperature is adjustable from 110°F to 149°F (65°C maximum), with typical bathing temperatures displayed between 115°F and 125°F. Ambient starting temperatures below 70°F may cause the infrared system to heat more slowly. In addition to the 60-minute session timer, the control offers a pre-set delayed start of up to 24 hours, so the sauna can be scheduled to begin heating before you arrive — a function that can now also be triggered and adjusted remotely through the Wi-Fi app. All time, temperature, and mode settings are automatically remembered by the heater for the next session; if power is lost and restored, settings return to their factory defaults.

Complete Feature Set

• Wi-Fi connectivity with Finnleo Control mobile app (iPhone & Android, phones and tablets)
• Compatible with Google Home, Amazon Alexa, and Siri voice assistants
• Multi-user "Family" account setup managed by an Administrator
• Dual-mode operation: Traditional sauna heat and Infrared heat, selectable independently
• 60-minute session timer (0–60 minutes adjustable)
• Pre-set delayed start, up to 24 hours, remotely adjustable via app
• Traditional mode temperature range approximately 150°F–165°F
• Infrared mode temperature range 110°F–149°F (65°C max)
• Built-in RGBW lighting control with dimmer (25%, 50%, 75%, 100% output)
• Seven-color lighting sequence: White, Red, Green, Blue, Yellow, Aqua, Purple, plus color rotation and off
• Built-in Bluetooth for use with optional SL2 audio/sound system
• Automatic memory of last-used time, temperature, and mode settings
• Diagnostic display codes for sensor (Sn), high limit (HL), delay mode, and jumper (JP) status
• ETL listed by Intertek for permanent installation and electrical connection

Heater and Electrical System Compatibility

The SL2-IS Control – Wi-Fi Upgrade is engineered specifically for Finnleo infrared and InfraSauna hybrid heating systems, giving users the flexibility to run either a Traditional rock-based sauna heater or an Infrared heating element from a single control interface. The control connects to a CB 14-1 or CB 15-1 contactor box, which must be matched to the electrical service, voltage, and amperage of the specific heater installation. Because contactor box sizing depends on the heater's kW rating and phase configuration, it's important to confirm the correct CB pairing before installation. As with all SaunaLogic2 family controls, installation and electrical connections must be performed by qualified, licensed personnel in accordance with local and national electrical codes. If you're unsure which contactor box your infrared or hybrid heater requires, provide us with your heater model and electrical service details and we'll confirm the exact pairing for you.

Construction & Design

The SL2-IS shares the same modern, sealed control panel design as the rest of the SaunaLogic2 lineup, built for long-term durability in the high-heat, high-humidity environment of a sauna enclosure. The panel houses a clean digital interface with dedicated icons for power, mode selection (Infrared or Traditional), time, temperature, delay, lighting, and Bluetooth, allowing bathers to move between functions with a simple press-and-hold interaction. The control is rated for permanent installation and is ETL listed by Intertek, meeting North American safety standards for sauna electrical components. Its wall-mounted design keeps controls within easy reach at the sauna entrance while remaining safely outside the heated bathing area.

Why Choose Finnleo

Finnleo, manufactured by Sauna360 in Cokato, Minnesota, has built its reputation on authentic Finnish sauna heat and rigorously tested electrical systems. The SL2-IS Control – Wi-Fi Upgrade extends that same standard of quality to infrared and hybrid sauna owners, combining dual-mode heating flexibility with the convenience of full remote app control. As an authorized Finnleo dealer, we back every control with full factory warranty coverage, accurate heater and contactor box sizing guidance, and dedicated support before and after your purchase. If you have questions about compatibility, voltage requirements, or lead times, reach out and a sauna specialist will help you get the exact setup your infrared or hybrid sauna needs.