Honeywell Aquastat Relay
Includes transformer and accessory terminals for adding a remote low limit controller. Horizontally mounted. High limit opens burner circuit only. Max. Pressure on immersion well: 255 PSI. Requires a 24v thermostat. Dimensions: 4-5/16" H x 6-1/8" W x 3-1/8" D. Range: 120F to 240F. Differential 8F fixed. Min. Order: 1 EA