Thermocouple Limit Control Series TSF -- Series TSF
from Dwyer Instruments, Inc.

The Series TSF Thermocouple FM Approved Limit Control provides audible alarm status along with a robust 16 amp relay output. Unit allows the user to easily select automatic or manual reset along with 10 other parameters. The TSF series has a built in reset button on the front panel or can accept an... [See More]

  • Control Signal: Switched Output
  • Control: Limit
  • Controller Type: Boiler
  • Interface: Digital Front Panel
Boiler Controller -- WBL400
from Iwaki America and Walchem, IWAKI America Inc

The WBL400 Boiler Controllers and WCM400 Condensate Monitors represent the latest in technological and innovative advancements from Walchem. All of the standard features you ’d expect in conventional boiler controllers/condensate monitors are included, plus optional simple-to-use information... [See More]

  • Control Signal: Switched Output
  • Control: PID
  • Controller Type: Boiler
  • Features: Multi-Function; Rate Indication/ Control
PULSAtrol MB9200 Boiler Controller
from Pulsafeeder, Inc.

Two user selectable chemical feed timers [See More]

  • Control Signal: Analog Voltage Output; Switched Output
  • Control: Limit
  • Controller Type: Boiler
  • Form Factor: Chassis
Boiler Controller -- TROVIS 5174
from SAMSON Controls, Inc.

The TROVIS 5174 Boiler Controller works according to singlestage,. two-stage or modulating operating mode and is used for. weather-sensitive control or for fixed set point control of boiler. systems including up to two boilers. When requested by downstream. controllers, it can control higher flow... [See More]

  • Control Signal: Analog Voltage Output; Switched Output; Other; Three-Step
  • Control: Limit; Other; Continuous
  • Controller Type: Boiler
  • Form Factor: Chassis
Enhanced Zone Controls -- Enhanced Switching Relay
from Taco, Inc.

The Taco Switching Relay is the best choice for all your zoning needs, with advanced timer and boiler functions, external diagnostic lights, switchable priority and contractor friendly PC board layouts. Combined with the time proven reliability of the 00 ® family of circulators and thermostats,... [See More]

  • Control Signal: Switched Output
  • Controller Type: Boiler