Switch / Relay Output Boiler Controllers

FuelMizer™ SR501-OR-4 Switching Relay with Outdoor Reset
from Taco Comfort Solutions

The FuelMizer ™ (SR501-OR) is a microprocessor-based control designed to regulate the supply water temperature of a single boiler, based on the outdoor temperature. The FuelMizer is a boiler reset control and switching relay in one unit; it is ideal for retrofit application, but may also be... [See More]

  • Control Signal: Switched Output
  • Controller Type: Boiler
Boiler Level Controller -- LC1350
from Spirax-Sarco

The Spirax Sarco LC1350 has two alarm channels that can be independently configured high or low to control the water level of a boiler, tank or vessel by operating a pump, valve or solenoid. It has been designed as an on/off level controller for use with the LP10-4 four-tip conductivity probe... [See More]

  • Control Signal: Analog Voltage Output; Switched Output
  • Control: Limit
  • Controller Type: Boiler
  • Form Factor: Chassis; DIN
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
Low Water Cutoff System Controls
from Taco Comfort Solutions

The Taco Low Water Cutoff (LWCO) provides accurate and dependable protection for all types of boilers, from small residential hot water boilers to large industrial steam units. This probe-style LWCO features patented DualVision Technology, external LED's and simplified wiring for easy installation... [See More]

  • Control Signal: Switched Output
  • Control: Limit
  • Controller Type: Boiler
Boiler Level Controller -- LC2250
from Spirax-Sarco

The Spirax Sarco LC2250 is a level controller for on / off or modulating control of conductive liquid levels. The LC2250 has two alarm outputs that can be configured high or low. The controller is suitable for use with liquids having an electrical conductivity of 5 μS / cm or 5 ppm, when used... [See More]

  • Control Signal: Analog Voltage Output; Switched Output
  • Control: Limit
  • Controller Type: Boiler
  • Form Factor: Chassis; DIN
WebMaster® One -- WMB8
from Iwaki America and Walchem, IWAKI America Inc

WebMasterONE is the most powerful, affordable, online analytical process controller the water treatment world has ever seen! The simple, intuitive programming makes it easy to configure your WebMasterONE to control multiple cooling towers, boilers, closed loops, waste streams or virtually any water... [See More]

  • Control Signal: Analog Voltage Output; Current Loop Output (optional feature); Switched Output
  • Control: Limit; PID; Other; Flow Based / Timer
  • Controller Type: Boiler
  • Features: Multi-Function; Datalogger
Boiler Level Controller -- LC2650
from Spirax-Sarco

The Spirax Sarco LC2650 is a level controller for conductive liquids. It provides on/off or modulating control of liquid levels in boilers, tanks, and vessels operating up to 32 bar at 239 ° C. It has two alarm channels that can be independently configured either high or low. The controller is... [See More]

  • Control Signal: Analog Voltage Output; Switched Output
  • Control: Limit
  • Controller Type: Boiler
  • Form Factor: Chassis; DIN