• An immersion type liquid-filled sensing element actuates two snap switches. • One switch operates as a high limit control. • The other switch operates as a low limit and/or circulator control, depending on the model. • Controller may be mounted in any positioning and needs no leveling. • Separate, easy-to-read, calibrated dial and setpoint adjustments for each switch. • Differential adjustment on low limit or circulator switch. • All adjustments accessible inside front cover. • Push-in terminals for quick connecting. • Single sensing element for easy installation. • One SPST and one SPDT snap switches act independently at respective temperature settings.