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  • A photograph of an AP280-230 Series Electric Alarm Unit for Recessed Laboratory Units installed above a recessed safety station.

Guardian AP280-230 Series Electric Alarm Units for Recessed Laboratory Units

Item #: AP280-230

Normal Availability: 1-2 business days

Product Description

The Guardian Equipment AP280-230 electric alarm unit with strobe light and horn is designed for recessed safety stations and ensures that others are alerted when the safety shower or eye/face wash is activated. The audio and visual signals ensure immediate coworker response as well as deter malicious activation. With the AP280-235 version, the activation signal can also be sent to a remote monitoring location, making this unit ideal for low-traffic or long travel distance locations as well as laboratories where someone might be working late or alone.

The surface-mounted version of this unit is item # AP280-240. Additional configurations of this item for 1/2" IPS and more are available; please contact us for pricing and availability.

Features and Options

Application: Alarm units serve two important functions when installed in conjunction with emergency eyewash and shower equipment. First, alarms serve to alert facility personnel that an accident has occurred and that assistance to the user may be required. Second, alarms deter unintended or malicious operation of the emergency equipment. For this reason, they are advisable in schools and other areas where the possibility of vandalism is present. Alarms are activated by a flow switch that senses the movement of water in the supply line when the safety unit is activated. Once activated, the bright light turns on and the horn sounds loudly.

Installation: These units are designed for use with recessed safety stations. The combination light and alarm horn is recess mounted into the wall with the flow switch and electrical wiring behind the wall. A 120 volt, 0.11 amp electrical supply is required.

Visual Signal: Weatherproof amber strobe light with shatter-resistant lens.

Audible Signal: The horn delivers distinctive, urgent signal at 90 db.

Flow Switch: The AP280-230 features a 1" IPS single pole, double throw waterproof flow switch for installation in water supply line to emergency unit. The switch senses the flow of water when either the eyewash or shower is activated. The flow switch must be installed with the tee fitting in the horizontal position, flow switch body in the vertical position, and at least 6" from the closest fitting. The direction of flow is marked on the switch body.

AP280-235 Option: This is the same as AP280-230 but includes a double pole, double throw flow switch for connection to a monitoring system. When the emergency unit is actuated, the light and horn activate and an electrical signal is also sent to a remote monitoring location.

Mounting: Furnished with hardware for recess mounting components in finished wall. Electrical connections by others.

Quality Assurance: Each unit is fully assembled, wired and factory tested prior to shipment.


Documentation available: Specification sheet for the AP280-230/235

Common replacement parts: None are required under normal conditions of use.

All Guardian items are manufactured in the USA. The shipping weight of this item is approximately 4 pounds (1.8 kg).

Warranty Information

2-year limited manufacturer warranty.

Other Details

Manufactured in: USA

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