PENN A421 Electronic Temperature Controls

A421 Series electronic temperature controls are single-stage controls with a single-pole, double-throw (SPDT) output relay. They feature a backlit LCD with adjustable brightness and a three-button touchpad interface that can be set to restrict adjustments. Standard modules have simple on/off settings for heating or cooling, an adjustable anti-short cycle delay, temperature setback, and sensor offset capability.
Models are also available with an integral power cord, off-cycle defrost, or integral cycle timer.
SUBSCRIBE TO OUR CHANNEL:
Subscribe to this KZbin channel for frequent company updates from Johnson Controls.
/ subscription_c. .
Johnson Controls: www.johnsoncont...
FACEBOOK: / johnsoncontrols
TWITTER: / johnsoncontrols
LINKEDIN: / 2247

[@OcRefrig]

Yep, Been using the A419 & A421 for Many , Many Years ! ( at Least 10-20 years ) maybe more. Been doing this 43 years. Love them ! 1 on the Truck at All times.