Spa heats very slowly or cannot reach the set temperature, especially in cold weather.

Safety: Ensure water chemistry is balanced to prevent scaling and corrosion.

• Step 1 – Verify heater rating: Confirm your Vita Spa is configured for the correct heater wattage and supply voltage (e.g., 240V for full output).
• Step 2 – Check cover and insulation: Inspect the spa cover for waterlogging, tears, or poor seal. Replace if heavy or damaged. Ensure side panels and insulation are intact.
• Step 3 – Circulation: Confirm the circulation pump runs as programmed and that filters are clean to maximize heat transfer.
• Step 4 – Descale heater: If you have very hard water and poor maintenance history, the heater may be scaled internally. Replacement is usually more practical than cleaning.