- Component
HOMEABOUT USPRODUCTSTRAININGNEWS & EVENTSSUPPORT & RESOURCESCONTACT USHELPVIEW QUOTE
Product SearchBuildingsHomesApplications & DownloadsCross ReferenceProduct Selection Tool
Thermostats
Whole House Air Quality
HVAC Zoning
Residential Combustion
>Contactors
>Defrost Controls
>Electronic Timer Boards
>Flue Dampers
>Pilots, Thermocouples and Ignition
>Gas Ignition Controls
>Gas Valves for Residential
>Aquastats (OTC Aquatrols)
>Integrated Furnace Controls
>Oil Heating Valves
>Oil Primary Controls
>Pressure Switches
>Relays and Controls
>Transformers
>Electronic Aquastat and Outdoor Reset
EnviraCOM Communications
Water Control
Training Materials & Product Literature


Loading ...
Environmental & Combustion Controls
Multi Function
Oil and gas boiler, water heater, and pool and spa controls. Some with integral system transformers and circulator relays.

Compare Select and Compare the Product Models below.  Limited to five.  Some groupings may not be comparable.
  
L4081
Aquastat® Controllers provide boiler water regulation in gas- or oil-fired hydronic heating systems.
Learn More
L6081
Aquastat® Controllers provide boiler water regulation in gas- or oil-fired hydronic heating systems.
Learn More
L7148
Oil Electronic Aquastat®Controller
Learn More
L7224
Oil Electronic Aquastat® Controllers with Enviracom communication and troubleshooting Leds
Learn More
L8124
Triple Aquastat® Relay
Learn More
L8148
Aquastat® Relay
Learn More
R8182
Combination Protectorelay® and Hydronic Heating Controllers
Learn More
Compare Select and Compare the Product Models above.  Limited to five.  Some groupings may not be comparable.
Search By Specification
Search Clear Search Criteria
Application
Aquastat ControllerAquastat Relay
Electronic Water HeaterHigh and Low limit
High LimitHigh Limit and Circulator
High Limit Protection and Circulation ControlHigh Limit Protection, Low Limit and Circulation Control
Oil AquastatOil Aquastat Controller
Oil Aquastat Controller with Outdoor Reset ModuleOil Electronic Water Heater Aquastat
Triple Aquastat Relay with High limit
Operating Range, Low Limit (F)
100 F to 145 F110 F to 220 F
110 F to 220 F adj.
Operating Range, High Limit (F)
110 F to 160 F120 F to 240 F
130 F to 205 F130 F to 220 F
130 F to 240 F130 F to 240 F adj.
140 - 240F140 F to 220 F
140 F to 225 F140 F to 240 F
180 - 220F180 - 240F
180 F to 220 F180 F to 240 F
210 F to 240 F91 F to 185 F
Differential Temperature (F)
10 F fixed10 F fixed ± 2 F
15 F fixed15F
2.25 F5 F
5 F Fixed8 F fixed
high limit : 10 F fixedHigh limit : 10 F fixed; low limit: 10-25 F
High limit : 10 F fixed; low limit: 10-25 F adj.High limit : 15 F fixed; low limit: 10-25 F adj.
High limit : 5-20 F adj.; low limit: 10-25 F adj.High limit: 10 F fixed; Low limit/circulator: 10 F to 25 F adj.
High limit: 15 F fixed
Setpoint Temperature Range (F)
130 F to 205 F130 F to 220 F
130 F to 240 F140 F to 220 F
140 F to 225 F140 F to 240 F
160 F180 F
180 F to 220 F180 F to 240 F
185 F200 F
210 F220 F
225 F240 F
Switching Action
SPSTSPST: High & Low Limit
SPST: High Limit & Circulator
Anticipator Setting
0.1 A0.2 A
With Zr Terminal
NoYes
Sensor
12 in.
ECO Setpoint (F)
ECO Setpoint (Celsius)
82 C
Search

Welcome

Login to My Account 
New User Registration

Find Quote