Honeywell Commercial T991A1194 Proportional Temperature ControllerHoneywell Commercial T991A1194 Proportional Temperature Controller is a precision, modulating control device designed for duct and tank environments. With a copper bulb sensor (1 2" diameter x 3 9 16" length) and a 20 foot capillary, this controller delivers reliable temperature regulation across a set point range of 55175 F (max 200 F) and easy integration via 1 2" conduit. Modulating, proportional temperature control delivers smooth process

and the spring range spans 3 to 12 PSI to fit a variety of damper applications

This robust flame sensor from Heil Quaker/ICP 1380679 ensures reliable flame sensing in demanding conditions

Caleffi 502720A

the NBF-36 is a smart upgrade for existing boilers and radiant systems

Voltage: 24V control input for safe operation

Direct replacement for the factory chain — correct pitch

Low-maintenance sensor ensures long service life

Direct replacement for 0130F00251 with easy installation

The unit provides 6W driving power and a robust 300 in-lb torque

Rotation: CW (clockwise)

It is compatible with millivolt systems

As a smart replacement part for audio equipment