Click to expand Tap to zoom SATKF0202 Caleffi Electronic Regulator for SATK20203 by Caleffi - Original Spare Part Electronic regulator for SATK20203 Quantity 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.