Home / Markets / WEAVALVES / Products / Valves / Valves / Zone / Series 3ZV1 Series 3ZV1 Three-Way Zone Valve Economical, Manual Override View All Product Images 3ZV1 Series Zone Valves are ideal for flow control in hot and cold water HVAC systems. The 3ZV1 is electrically driven to open and spring to close. Units are available in 1/2", 3/4", and 1"; sizes with 24 or 120 VAC power supply. Easy to install these units are direct replacements for competitor units. Manual override lever is easily accessible externally. Consult factory for 220 VAC power supply, optional auxiliary switches, and BSP or sweat connections.California Residents: Click Here for Proposition 65 WARNING. Ordering Specifications Support Library Drawings Related Products Photo Downloads Reviews Models & Ordering Shipping Information All shipping times are dependent on product availability at time of shipment. Although we make every effort to ensure a continuous supply of our products, occasional circumstances may force us to temporarily run out of a product, or have shipping delays. Should this occur, customers will be notified soon after placement of any orders for such products and, if applicable, items will be put on backorder. For orders requiring expedited shipment, our customer service team can be contacted to confirm product availability COVID-19 Update: Due to high customer demand, lead time on some products may be up to two weeks. While this is a developing health situation, we are working continuously to take the necessary measures to ensure that the products you need are available with minimal interruption. Sort by Model Number Popularity Price Model Description Usually Ships* Price Order 3ZV1024 Ships: Consult Factory Price: $59.50 Three-way zone valve, 1/2" NPT, Cv of 3.78, 24 VAC, close-off pressure 22 psi (1.5 bar). Consult Factory* $59.50 Order 3ZV1122 Ships: Consult Factory Price: $59.50 Three-way zone valve, 1/2" sweat, Cv of 3.78, 120 VAC, close-off pressure 22 psi (1.5 bar). Consult Factory* $59.50 Order 3ZV1142 Ships: Consult Factory Price: $109.00 Three-way zone valve, 1" sweat, Cv of 8.02, 120 VAC, close-off pressure 14.5 psi (1.0 bar). Consult Factory* $109.00 Order 3ZV1243 Ships: Consult Factory Price: $109.00 Three-way zone valve, 1" BSPT, Cv of 8.02, 220/230 VAC, close-off pressure 14.5 psi (1.0 bar). Consult Factory* $109.00 Order Specifications Service: Compatible fluids. Body: 3-way. Line Size: 1/2" to 1". End Connections: Female NPT (optional BSP, sweat connections). Pressure Limits: Maximum: 300 psi (20.7 bar); Close-off: see chart on Catalog page. Temperature Limits: Ambient: 32 to 104°F (0 to 40°C); Process: 32 to 201°F (0 to 94°C). Wetted Materials: Brass, stainless steel, NBR. Flow Characteristic: Quick opening. Power Requirements: 120 VAC or 24 VAC, ±10%, 50/60 Hz, (optional 220 VAC). Power Consumption: 6.5 W. Input: On/off. Electrical Connection: 22 AWG, 5" (127 mm) long. Cycle Time: Opening time: 11 seconds; Closing time: 5 seconds. Enclosure Rating: General purpose. Housing Material: Aluminum. Product Literature Manuals Instruction Manual Catalog Pages Series 3ZV1 Catalog Page Drawings CAD Drawing in format .DWG Adobe Reader in format .PDF Related Products Series WD Water Detector and Sensor Tape Series EPTA Electro-Pneumatic Transducers Photo Downloads You must be logged in to view this content. Click here to login to your account. Product Reviews Trustpilot Only registered users can write reviews. Please Sign in or create an account