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Barnes & Jones 3856 1/2" Vacuum Breaker Steam 125 PSI

Barnes & Jones

$93.95

In Stock

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SKU:
3856
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Ships same or next business day · UPS Ground or comparable carrier, typically 1–5 business days.

Specifications

Product Type:
Vacuum Breaker
Subcategory:
Steam System
Application:
Residential/Commercial
System Type:
Boiler, Steam System
Installation Type:
OEM Replacement
Pressure Rating:
125 PSI
Inlet Size:
1/2" NPT
Connection Type:
NPT
Connection / Joint:
NPT
The Barnes & Jones 3856 is a 1/2" vacuum breaker designed for steam heating systems with a maximum pressure rating of 125 PSI. It prevents vacuum formation by admitting air into the system when steam pressure drops, protecting radiators, steam coils, and heat exchangers from collapse damage. This component eliminates water hammer, prevents backflow, and guards against internal corrosion.