The Honeywell L4006A1959 Aquastat is a temperature limiting control for use in boilers, hot water tanks and other hydronic applications. It has SPST switching and contacts break on a temperature rise. The copper sensing bulb can be mounted directly or in an immersion well (sold separately).
- Application: Temperature control in boilers, hot water tanks, hydronic applications
- Construction: Totally enclosed Micro-switches
- Switch Action: Contacts break on temperature rise (SPST)
- Bulb Size / Material: 3/8 inch x 2 7/8 inch / copper
- Temperature Range: 40 to 180 degrees F
- Differential: 2.0 degrees F fixed
- Mounting: Horizontal or Vertical