ALL CATEGORIES

SHOP BY INDUSTRY

DEALS

EXCLUSIVE BRANDS

NEW PRODUCTS

PUBLIC SECTOR

KNOWLEDGE CENTER

The A421 Series controls are single stage, low-voltage electronic temperature controls with a single-pole, double-throw (SPDT) output relay. These can be used to control a wide variety of single-stage refrigeration or HVAC equipment with an ambient temperature range of -40 to 212&#176;F. Model A421GEF-01C features Type 4X (NEMA) IP66 watertight, corrosion-resistant enclosure suitable for surface mount and rated for 24 VAC Class 2, Safety Extra Low Voltage. Includes A99BB-25C PTC temperature sensor with a 2 in. standard probe and 9-7/8 in. PVC cable. Features: <ul style=Margin-top:0px; padding-top: 5px; padding-bottom: 5px;><li>Control Front Panel LCD</li><li>Basic and Advanced Programming Menu</li><li>On/Off Temperature Adjustment</li><li>Switch-Activated Temperature Setback</li><li>Adjustable Anti-Short Cycle Delay</li><li> Adjustable Sensor Offset </li><li>Optional Restricted Adjustment Mode </li><li>Sensor Failure Mode</li></ul>

Johnson Controls Digital Temperature Controller A421GEF-01C, 24 VAC, SPDT, Nema 4X

digital-temperature-controller-a421gef-01c-24-vac-spdt-nema-4x

Clearance Items

Customer Also Viewed

Save 15% Off

on all Auto-Reorders

with 5% off when you use your Global Industrial Credit Card.

% on your purchase when you use your Global Industrial Credit Card.

 suggested payments with 6 month special financing OR 

<a href="/contactUs">Customer Support</a>

<a href="/account/browse-history">Browse History</a>