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L6189C 2023B

Low limit circulator Aquastat Controller for residential combustion

This product is no longer available for purchase.

Overview

These bulb-type controllers provide operating or limit control of water temperature in hot water heating systems and water heaters.

Provide SPDT switching for low limit and circulator control.
Diaphragm-operated switch breaks on temperature rise (SPST and normally closed SPDT contacts).
Compact controller case for application flexibility.
3-1/16 in. diameter bulb for faster response.
All models available with or without setting knob. Models without knob are adjusted with screwdriver.
Choice of manual or auto reset. Auto reset models available with fixed or adjustable differential.
l/4 in. male quick-connects standard; combination screw and l/4 in. quick-connects available.
Field adjustable high or low limit stop available.
Bracket for surface mounting available on remote bulb models.
Capillary on remote bulb models available in several lengths.
Immersion well with l/2 in. NPT spud available as accessory.

Application: Low Limit and Circulator
Dimensions (mm): Case--68 mm high x 48 mm wide x 81 mm deep.
Temperature Range (F): Maximum--158 F
Temperature Range (C): Maximum--70 C
Mounting: Panel mount
Electrical Ratings: At Full Load-- 8A @ 120 Vac: 5.1A @ 240 Vac; At Locked Rotor-- 48A @ 120 Vac: 30.6A @ 240 Vac
Approvals, Underwriters Laboratories Inc.: UL Component Recognized: File No. MP466, Vol. 17, Sec.1, Guide No. MBPR2
Approvals, Canadian Standards Association: Certified: File No. LR95329-11
Operating Temperature Range (F): 100 F to 230 F
Operating Temperature Range (C): 38 C to 110 C
Switching Action: SPDT
Capillary Length (in.): 59 in.
Well Spud Size (in.): 1/2 in. - 14 NPT; 3/4 in. - 14 NPT
Well Spud Size (mm): 13 mm - 14 NPT; 19 mm - 14 NPT