{"product_id":"copeland-comfort-control-alco-063278-solenoid-valve","title":"Copeland Comfort Control (Alco) 063278 Solenoid Valve","description":"\u003cp\u003eThe \u003cstrong\u003eCopeland Comfort Control (Alco) 063278 Solenoid Valve\u003c\/strong\u003e, specifically the \u003cstrong\u003e500RB2T2\u003c\/strong\u003e model, is a heavy-duty \u003cstrong\u003e2-way normally open solenoid valve\u003c\/strong\u003e designed for precision refrigerant flow control. Engineered as a \u003cstrong\u003epilot-operated refrigeration valve\u003c\/strong\u003e, this unit features \u003cstrong\u003e1\/4\" ODF sweat connections\u003c\/strong\u003e and is built to handle high-pressure environments common in commercial refrigeration and air conditioning systems. With a nominal \u003cstrong\u003eR22 capacity of 3.1 tons\u003c\/strong\u003e and an \u003cstrong\u003eR134a capacity of 2.9 tons\u003c\/strong\u003e, it ensures optimal performance across multiple refrigerants, including R404A and R507. This valve serves as the \u003cstrong\u003edirect replacement for R15E32\u003c\/strong\u003e models. When retrofitting, technicians must verify the existing voltage, as a \u003cstrong\u003ecoil replacement\u003c\/strong\u003e is required to ensure electrical compatibility with the system controller. The rugged construction minimizes pressure drop while providing reliable shut-off and opening cycles in demanding thermal expansion applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications and Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNormally Open Configuration:\u003c\/strong\u003e Ensures refrigerant flow continues during power loss or coil failure, preventing system slugging in specific circuit designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Flow Capacity:\u003c\/strong\u003e Rated for 3.1 tons (R22) and 2.9 tons (R134a) to support medium to large evaporator loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePilot Operated Design:\u003c\/strong\u003e Utilizes system pressure differentials to assist valve actuation, reducing the electrical load required from the solenoid coil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSweat Connections:\u003c\/strong\u003e 1\/4\" ODF connections allow for a standard \u003cstrong\u003ebrazed installation\u003c\/strong\u003e, ensuring a leak-proof seal in high-vibration environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-Compatibility:\u003c\/strong\u003e Engineered as a drop-in mechanical replacement for the legacy \u003cstrong\u003eAlco R15E32\u003c\/strong\u003e series.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Technician Questions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the coil included with the 063278 valve body?\u003c\/strong\u003e\u003cbr\u003eNo, this is the valve body only. You must select the appropriate AMG or ASC2 coil based on your system's voltage requirements (e.g., 24V, 120V, or 240V).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum operating pressure differential (MOPD) for the 500RB series?\u003c\/strong\u003e\u003cbr\u003eThe 500RB series is designed for high-pressure refrigerants and typically maintains a high MOPD suitable for hot gas defrost or liquid line applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this valve with R410A systems?\u003c\/strong\u003e\u003cbr\u003eYou must verify the specific pressure ratings for your application; while many 500RB series valves are compatible with modern refrigerants, always check that the MOPD exceeds your system’s peak discharge pressure.\u003c\/p\u003e\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Copeland Comfort Control (Alco)","offers":[{"title":"Default Title","offer_id":35646802380,"sku":"063278","price":141.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Image_cbf9ae15-9076-4b44-8674-9045ae398924.png?v=1786560511","url":"https:\/\/www.gsistore.com\/en-ca\/products\/copeland-comfort-control-alco-063278-solenoid-valve","provider":"GSIstore","version":"1.0","type":"link"}