EXPANSION VESSEL SERVICE VALVE
• Isolate without having to drain down the whole system
• No need to add inhibitor back into the system
• Allows the vessel to be isolated and drained for essential periodic servicing and re-charging
• Shut off and drain, for membrane expansion vessels in sealed heating and cooling systems
• Protected shut/open facility against inadvertent closing
• Anti-tamper lever
• Drain vessel contents according to EN 12828
• Can be used in conjunction with the Tesla Sealed System Installation Kit (EVCKIT)
• Supplied with washer and locking wire
• Swivel nut for ease of installation
• Includes swivel drain off
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