Description
The Robertshaw 705-502 is a millivolt-operated gas valve operator engineered for dependable performance in natural gas heating applications. Designed to work in millivolt heating systems—where the thermocouple or thermopile generates the control current—this operator delivers consistent, low-voltage gas valve actuation without the need for an external power supply.
Key Features
- Millivolt operation — ideal for standing pilot heating systems
- 3.5″ W.C. (water column) outlet pressure rating for natural gas
- Designed for use with natural gas (NG) fuel systems
- Reliable valve actuation powered solely by thermocouple/thermopile output
- Direct replacement for compatible Robertshaw millivolt operator applications
Specifications
- Brand: Robertshaw
- SKU: 705-502
- Fuel Type: Natural Gas (NG)
- Outlet Pressure: 3.5″ W.C.
- Control Type: Millivolt
Application
The 705-502 is suited for use in gas furnaces, boilers, water heaters, and other heating appliances that utilize a millivolt control circuit. Its self-powered design makes it especially reliable in systems where electrical power is not available at the valve.
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