Trevi - Help Center Purchases and rentals Purchases How to buy or measure a spa cover. 11 January 2024 15:54 Updated To purchase a spa cover, visit your local branch with your measurements at hand or place an order on our website. To help you take your measurements, refer to the instruction document. Still Need Help? Obtain required information or help to complete your purchase. Contact us or Place a service call Delivery or Pick-up Contact us Trevi client or Future client Installation or Renovation Contract number or In-store receipt number We will contact you within 24 hours.