Swell Sport · Practical guide
Planning sauna controls for guests without sharing your main account
For a visiting adult, plan a short local-control handover rather than sharing the household’s main account. Decide what the guest needs to do during this visit, demonstrate it, and keep account ownership and safety configuration with the host.

Make this a visit plan, not an account register
An ongoing permissions register answers who owns access. A guest handover answers a narrower question: how will this person find the controls, stop normally and contact the host today? Write the arrival and end-of-visit responsibilities before considering any app invitation.
A guest who only wants to join an owner-hosted session need not inherit remote-start privileges. The host can retain operation. If a guest needs an adjustment, agree whether they ask the host or use a demonstrated local control. These are household arrangements, not claims about app permission tiers.
Use only features that the installed panel supports
The Fenix manual lists a PIN screenlock, a configurable guest mode and the ability to lock the guest-mode settings menu. Its software history identifies guest mode as a feature introduced in version 1.1.0. Confirm the installed version and actual available functions rather than assuming every similar-looking panel has them. [1]
Do not treat a local guest mode as proof that phone-account permissions have changed. Nor should a lock leave a guest unable to understand normal stopping or reach the host. Ask the supplier to demonstrate the installed guest arrangement before making it part of visitor instructions.
Fill in a three-part handover card
Before the visit: host name __; local control location __; functions the guest may use __; functions reserved for the host __. During the visit: normal stop method demonstrated __; how to request a change __; host contact __. At departure: person confirming shutdown __; guest settings review __.
Keep passwords and account-recovery information off the card. Use a labelled photograph of the actual panel if it improves recognition. Do not copy a screen image from a different model and expect a visitor to translate it.
Keep the physical check assigned
Harvia’s Fenix manual requires inspection of the room and heater surroundings before switching on and before standby for remote or pre-timed operation. Name the host who completes that check. A guest-mode setting does not perform it. [2]
If the host cannot provide the agreed handover, postpone the visit rather than improvising with account credentials. This is a private adult-guest plan, not approval for unsupervised public access, paid accommodation or commercial operation. Those uses need their own applicable review.
Rehearse the confusing moment
Imagine a guest asks to reduce the setting but encounters a locked screen. The intended response should already be clear: contact the host, not guess the PIN or explore installer menus. Walk through that situation while the equipment is not heating, then confirm the guest can identify the normal stop instruction.
After the visit, remove temporary printed instructions if they no longer match the setup. If access was granted through an approved app feature, have the account owner verify its removal using current official guidance. The local handover is complete only when the host has resumed responsibility for the equipment.
Your practical checklist
- Decide whether the guest needs any digital access.
- Demonstrate the actual local controls.
- Keep safety settings and account credentials private.
- Name the person doing the physical pre-start check.
- Confirm departure and shutdown responsibilities.
Is guest mode the same as a guest app account?
No equivalence is established here. Fenix documents local guest-mode settings; account permissions require separate verification.
Does every Fenix version have the same features?
Check the installed software. The manual’s version history identifies guest mode from version 1.1.0. [1]

