Watts 0123837 Valve

The Watts 0123837 (Model LFEMVII-6400SS 115-10) is a high-performance motorized ball valve designed for demanding commercial HVAC and light industrial applications. This 3/4-inch electrically actuated valve excels in hydronic zone control, steam space heating, and chilled water air conditioning systems. Engineered with a lead-free copper silicon alloy body, it features a 316 stainless steel ball and stem for superior corrosion resistance and longevity in the field. The 115 VAC motor provides a reliable 10-second cycle time, ensuring precise flow regulation for water, steam, or air. With a pressure rating of 600 psi WOG and 100 psi WSP, this valve utilizes Durafill PTFE seats and stem packing to maintain a bubble-tight shutoff even under high-pressure conditions. The unit arrives fully assembled with a NEMA 4X enclosure, manual override, and a high-visibility position indicator, allowing for versatile installation in both vertical and horizontal orientations.

• Lead-Free Construction: Complies with stringent safety standards for potable water and hydronic systems.
• Vented Ball Design: Includes a pressure-equalizing hole in the stem slot to prevent cavity pressure buildup.
• Simplified Field Wiring: Equipped with external plug-in connectors and a terminal strip for fast, reliable electrical hookups.
• System Flexibility: Operates efficiently in temperatures ranging from -40°F to 150°F, suitable for diverse environmental conditions.
• Maintenance Efficiency: The motor can be replaced without draining the system, minimizing downtime during service.

Can this valve be used in steam applications?
Yes, it is rated for 100 psi WSP. For steam or high-temperature service, it is recommended to install the actuator in a horizontal position to protect the motor from radiant heat.

Does this unit come with auxiliary switches?
The Watts 0123837 typically includes standard auxiliary switches (DPDT 115 VAC) to facilitate the operation of secondary equipment like fans or pumps upon valve actuation.

What is the duty cycle of the 115 VAC motor?
This model features a 50% duty cycle, making it ideal for standard zone control and intermittent flow management in HVAC systems.

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Disclaimer: 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.