HVAC Clearance Current Inventory The inventory listed below is currently available to purchase through our eBay store. Quantities are limited and only while supplies last. Taco QuickTop 2-Way Zone Valves, Normally Closed, 1/2″, 3/4″, or 1″ Sweat $49.00 to $69.00 Free Shipping! BUY ON EBAY Taco FuelMizer SR501-OR-4 Switching Relay & Boiler Reset Control With Outdoor Reset $99.00 Each Free Shipping! BUY ON EBAY