More Details

Product overview
  • Part number: 45-1100
  • Includes: 3/4" short probe, test button and standard wiring harness
  • Optional: 45-348 harness for boilers with a UTC control module
  • Application: residential hot water boilers; use Model 1150 for oil-fired boilers
  • Voltage: 24 VAC; power 1 VA
  • Switching capacity: 50 VA; max load 5 A
  • Reset: automatic
  • Max pressure: 160 psi; max water temperature 250°F; max ambient 170°F
  • Indicators: green power LED, amber low water LED
  • Mounting: boiler tapping or standard 3/4" tee, 1/4" clearance around the probe
  • Not for use with Honeywell L8148C or L8124C aquastats
Specifications
Manufacturer Part Number 1100
UPC n/a
Overall Dimensions n/a
Material n/a
Domestic or Import n/a
End Style n/a
Type n/a
ADA Compliance n/a
Warning n/a
Standards and Approvals n/a
Resources
Delivery & Returns

Orders will ship same day if received by 2pm EST.

Upcoming holiday closures: Monday September 7, 2026

All returns are inspected on receipt; credit is issued after condition is confirmed. Credit is issued only for items returned in original, saleable condition after inspection.

FINAL SALE ITEMS ARE NOT ELIGIBLE FOR RETURNS OR EXCHANGES.

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