A19 Series single-stage temperature controls incorporate environmentally friendly liquid-filled sensing elements. Use for temperature control in HVAC/R applications.
A28AK two-stage temperature control features a special air coil sensing element and adjustable mounting flange. Use these duct thermostats with all types of rooftop units, make-up heaters, duct heaters, and air handling systems.
A36 Series four-stage thermostats have open construction for use in panel mounting. Use for cycling control of multiple refrigeration compressors or unloading-type compressors.
For more information on the A19 Series, the A36 Series, and the A28AK, ask your friendly, experienced PENN team.