Honeywell Commercial T991A1186 Proportional Temperature ControllerThe Honeywell T991A1186 Proportional Temperature Controller delivers precise, modulating temperature control for commercial duct and tank systems. This single sensor controller offers a configurable setpoint from 55 to 175F, a throttling range of 330F, and a maximum ambient temperature rating of 200F for demanding environments. Model: Honeywell T991A1186 Proportional Temperature Controller (1 sensor input) Bulb Capillary: Copper bulb 1 2" diameter x 4

Broad BTU range: 840

while the 120VAC input matches standard electrical infrastructure

safe on/off control and long-term reliability

24V AC 50/60 Hz

minimizing downtime and troubleshooting time

including model 20197308

This AO Smith pressure switch helps maintain safe operation by sensing system pressure and enabling correct start-up sequences

Built by Bacharach

30" length for flexible installation

Horsepower: 1/2 HP

it provides fast

Size: 20x25x2 for universal compatibility with standard filter slots