How does a water heater controller work?

The thermostat is a thermistor that responds to heat by producing a small electric current. The current increases when water temperature increases, and drops when temperature drops. Changes in the electric current cause gas control to turn ON and OFF. When gas control turns ON, it releases gas to burner.

Who controls the water heater?

The water heater’s thermostat controls the temperature of the water inside the tank.

How do you light a Robertshaw water heater?

Depress and hold gas control knob down completely and light the pilot. Continue to hold the gas control knob down for about one (1) minute after the pilot is lit. Release gas control knob and it will pop back up. Pilot should remain lit.

What is a unitrol valve?

This is a temperature sensor that controls the temperature and thermostat, connected to a thermocouple that holds down the pilot. If temperature relief valves fail they can cause pressurising in the tank which can cause the tank to rupture and explosions to occur.

Why do you need a Robertshaw water heater?

Dependable, pleasant temperature in residential, commercial, and institutional spaces is a fundamental expectation. Warmth should be a given. The engineers of Robertshaw® are part of a century-long history of assuring warmth and comfort with reliable, dependable controls for furnaces, water heaters, burners, and boilers.

Who are the engineers of the Robertshaw heating company?

The engineers of Robertshaw® are part of a century-long history of assuring warmth and comfort with reliable, dependable controls for furnaces, water heaters, burners, and boilers. Each of these is a unique and complex system, and we have experience across the whole comfort heating industry and its leading brands.

What makes Robertshaw the Best Electronic Control Company?

Interconnected engineering teams and comprehensive solution delivery result in products that perform reliably every time. Our collection of in-house labs combine deep industry knowledge to quickly design, develop and fuel innovation. Need to find a replacement part?

What are the products and services of Robertshaw?

Robertshaw® has been creating and implementing innovative solutions throughout its history. Robertshaw continues to develop ground-breaking solutions that make products more effective, more efficient, and more attainable.

How does the Robertshaw 110 series water heater work?

The Robertshaw® 110 Series Water Heating Gas Valves are designed for universal replacement applications in water tanks. All models feature a built-in, non-cycling Energy Cut-Off (ECO) system to shut off all gas to the water heater in case of excessive water temperatures. The ECO is designed to detect over-temperature conditions and to open.