allowing for easy adjustment of the snap-acting bypass and pilot flame

ensuring a slip-free connection even under high-torque startups

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

the sleeve bearing system and internal thrust washers are designed for all-angle mounting

Spirax-Sarco 0190192 Vacuum Breaker Refrigerant allowing for easy adjustment ofFor 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