Description

Fail-Safe Spring Return: Automatic damper closure in case of power failure

^^[Part# TFB24-3-S is the same as TFB243S]^^

Key Features:

^^[Part# LF24-SR-S US is the same as LF24-SR-S

For simplified wiring

Z2100QS-K+CQKB24-RR | ZoneTight™ (QCV), 1", 2-way, Cv 8.2 |Valve Actuator, Electronic fail-safe, AC/DC 24 V, On/Off, Normally Closed, Fail-safe position Closed | Belimo Cv / GPM_4.55 Cv Fail-Safe Spring Return: Automatic damperResources Datasheet Installation Instructions More Info

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
Please click here for more details>>> Return & Exchange Policy

Z2100QS-K+CQKB24-RR | ZoneTight™ (QCV), 1", 2-way, Cv 8.2 |Valve Actuator, Electronic fail-safe, AC/DC 24 V, On/Off, Normally Closed, Fail-safe position Closed | Belimo Cv / GPM_4.55 Cv Fail-Safe Spring Return: Automatic damper

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