SterraCare 4-Years Additional Warranty For Sterra 7 from $299.00 $0.00 /per or 4x $74.75 w/ or 3x $99.66 w/ SterraCare adds 4 years additional warranty to your new Sterra 7 Tankless Water Purifier. -Priority access to Sterra Customer Care -Sterra-certified repairs Title SterraCare 4-Years Additional Warranty For Sterra 7 Product variants Default Title Add to Cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted.