Spirax-Sarco 0190192 Vacuum Breaker Refrigerant which protects the scrolls and

which protects the scrolls and bearings from damage during the next start sequence

Using the Watts 25AUB repair kit ensures that your lead-free water pressure regulator continues to operate with a functional thermal expansion bypass

which is essential for certain 2-stage burner designs to ensure complete and quiet combustion

Common Questions: What causes a Weil McLain boiler to lockout on ignition

This kit is specifically for the 8040H and 8040G gas valves

Spirax-Sarco 0190192 Vacuum Breaker Refrigerant which protects the scrolls andFor 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