Honeywell proportional pressuretrol controller with a range of 0-15 psi, non-adjustable, one potentiometer, and a 1/4" NPT male connection to siphon loop.

Honeywell proportional pressuretrol controller with a range of 5-150 psi, non-adjustable, one potentiometer, and a 1/4" NPT female connection to siphon loop.

Honeywell proportional pressuretrol controller with a range of 10-300 psi, non-adjustable, one potentiometer, and a 1/4" NPT female connection to siphon loop.

Honeywell proportional pressuretrol controller with a range of 10-300 psi, non-adjustable, one potentiometer, and a 1/4" NPT female connection to siphon loop

Honeywell proportional pressuretrol controller with a range of 0-15 psi (adjustable 1-12 psi differential range), one potentiometer, and a 1/4" NPT male connection to siphon loop.

Honeywell proportional pressuretrol controller with a range of 10-300 psi (adjustable 28-110 psi differential range), one potentiometer, and a 1/4" NPT male connection to siphon loop.

Honeywell proportional pressuretrol controller with a range of 5-150 psi (adjustable 5-23 psi differential range), one potentiometer, and a 1/4" NPT female connection to siphon loop.

Honeywell proportional pressuretrol controller with a range of 10-300 psi (adjustable 28-110 psi differential range), one potentiometer, and a 1/4" NPT female connection to siphon loop.

Honeywell proportional pressuretrol controller with a range of 10-300 psi (adjustable 12-48 psi differential range), one potentiometer, and a 1/4" NPT female connection to siphon loop.

Honeywell proportional pressuretrol controller with a range of 0-15 psi (adjustable 1-12 psi differential range), and a 1/4" NPT male connection to siphon loop.

Honeywell proportional pressuretrol controller with a range of 5-150 psi (adjustable 11-52 psi differential range), and a 1/4" NPT female connection to siphon loop.

Honeywell proportional pressuretrol controller with a range of 10-300 psi (adjustable 28-125 psi differential range), and a 1/4" NPT female connection to siphon loop (included).

Honeywell pressuretrol controller with a range of 10-150 psi (adjustable 10-22 psi differential range), and a 1/4" NPT female connection to siphon loop (included).

Honeywell pressuretrol controller with a range of 2-15 psi (adjustable 2-6 psi differential range), and a 1/4" NPT female connection to siphon loop (included). This pressuretrol features a microswitch, which makes on pressure rise.

Honeywell pressuretrol controller with a range of 5-50 psi (adjustable 4-12 psi differential range), and a 1/4" NPT female connection to siphon loop (included). This pressuretrol features a microswitch, which makes on pressure rise.

Honeywell pressuretrol controller with a range of 20-300 psi (adjustable 15-40 psi differential range), and a 1/4" NPT female connection to siphon loop (included).

Honeywell pressuretrol controller with a range of 2-15 psi, manual reset, and a 1/4" NPT female connection to siphon loop.

Honeywell pressuretrol controller with a range of 2-15 psi, manual reset, and a 1/4" NPT female connection to siphon loop. Pressuretrol limit controls are high pressure limit switches which break electrical circuits when pressure rises to a preset value.

Honeywell pressuretrol controller with a range of 2-15 psi, manual reset, and a 1/4" NPT female connection to siphon loop. Pressuretrol limit controls are high pressure limit switches which break electrical circuits when pressure rises to a preset value.

Honeywell pressuretrol controller with a range of 5-50 psi, manual reset, and a 1/4" NPT female connection to siphon loop. Pressuretrol limit controls are high pressure limit switches which break electrical circuits when pressure rises to a preset value.

Honeywell pressuretrol controller with a range of 10-150 psi, manual reset, and a 1/4" NPT female connection to siphon loop. Pressuretrol limit controls are high pressure limit switches which break electrical circuits when pressure rises to a preset value.

Honeywell pressuretrol controller with a range of 2-15 psi (adjustable 2-6 psi differential range), and a 1/4" NPT female connection to siphon loop. This pressuretrol features a SPDT switch that can make or break on pressure rise.

Honeywell pressuretrol controller with a range of 5-50 psi (adjustable 6-14 psi differential range), and a 1/4" NPT female connection to siphon loop. This pressuretrol features a SPDT switch that can make or break on pressure rise.

Honeywell pressuretrol controller with a range of 20-300 psi (adjustable 20-50 psi differential range), and a 1/4" NPT female connection to siphon loop.

Honeywell pressuretrol controller with a range of 10-150 psi (adjustable 10-22 psi differential range), and a 1/4" NPT female connection to siphon loop. This pressuretrol features a SPDT switch that can make or break on pressure rise.

Honeywell oil pressuretrol limit controller with a range of 5-50 psi (adjustable 4-8 psi differential range), and a 1/4" NPT female connection to siphon loop. This pressuretrol features a microswitch that makes on pressure fall.

Honeywell oil pressuretrol limit controller with a range of 10-150 psi (adjustable 8-16 psi differential range), and a 1/4" NPT female connection to siphon loop. This pressuretrol features a microswitch that makes on pressure fall.

Honeywell oil pressuretrol limit controller with a range of 10-150 psi (adjustable 8-16 psi differential range), and a 1/4" NPT female connection to siphon loop. This pressuretrol features a microswitch that makes on pressure fall.

Honeywell oil pressuretrol limit controller with a range of 5-50 psi (adjustable 4-8 psi differential range), and a 1/4" NPT female connection to siphon loop. This pressuretrol features a microswitch that makes on pressure fall.

Honeywell pressuretrol controller with a range of 10-150 psi, manual reset, and a 1/4" NPT female connection to siphon loop. Pressuretrol limit controls are high pressure limit switches which break electrical circuits when pressure rises to a preset value.

Honeywell pressuretrol controller for safety control to shut down the burner if the steam pressure rises above a safe level on steam boilers with a range of 3-15 psi. This pressuretrol breaks at set point on pressure rise and makes on set point on pressure fall.

Honeywell pressuretrol controller for safety control to shut down the burner if the steam pressure rises above a safe level on steam boilers with a range of .5-9 psi. This pressuretrol breaks at set point on pressure rise and makes on set point on pressure fall.

Honeywell pressuretrol controller for unit heaters to make the fan circuit when a pressure rise indicates the presence of steam with a range of .5-9 psi. This pressuretrol breaks at set point on pressure rise and makes on set point on pressure fall.

Honeywell pressuretrol auto-recycle controller with a range of 2-15 psi (adjustable 2-6 psi differential range), and a 1/4" NPT female connection to siphon loop. This pressuretrol features a SPDT snap switch that can make or break on pressure rise.

Honeywell pressuretrol auto-recycle controller with a range of 1-8 psi (adjustable .75-2 psi differential range), and a 1/4" NPT female connection to siphon loop. This pressuretrol features a SPDT snap switch that can make or break on pressure rise.

Honeywell pressuretrol controller with a range of 10-150 psi, manual reset, and a 1/4" NPT female connection to siphon loop.