Enhanced Durability: Built from high-grade materials to resist oxidation and thermal stress during prolonged operation

resistor across the input terminals

Enhanced Durability: Constructed with materials resistant to common system contaminants and synthetic oils

High-Flow Pilot Design: Provides consistent opening and closing cycles under varying pressure drops across the valve

Direct OEM replacement for Friedrich J995DHW-6718 applications

Spirax-Sarco 0190192 Vacuum Breaker Refrigerant Enhanced Durability: Built from high-gradeFor steam and liquid system protection, the Spirax Sarco 0190192 (Model VB21) is the industry standard for preventing vacuum formation in heat exchangers, jacketed kettles, and steam coils. As a veteran technician knows, a vacuum in these systems can lead to catastrophic coil collapse, water hammer, or stalled condensate drainage. This 1 2" NPT vacuum breaker is engineered with a high grade 303 stainless steel body and a precision ground stainless