Natural Gas
Millivolt
Remote Ready
1-Year Warranty
The 0820652 is an SIT-820 NOVA mV millivolt gas valve with manual HI/LO variable flame adjustment. Designed for direct vent natural gas fireplaces, stoves, gas logs, and similar appliances. Compatible with millivolt wall switches and remote control systems.
Features
- Compatibility: Works with a wide range of direct vent fireplace, gas log, and stove models from multiple manufacturers
- Installation: Direct fit replacement for previous versions of the 0820652 — easy to install and maintain
- Certified: All valves inspected and tested before certification
- Warranty: 1-year manufacturer defect warranty included
- Controls: Remote control capable, variable flame adjustment, pilot safety valve, thermocouple safety valve
- Reliability: SIT Controls industry-leading durability and build quality
Specifications
| Gas Type | Natural Gas (NG) |
| Thermocouple Connection | 11/32 ASA-DNC |
| HI/LO Adjustment | Manual |
| Inlet / Outlet | 3/8 in. NPT |
| Minimum Voltage | 145 mV |
| Coil Resistance | 2.25 ± 0.5 Ω |
| Hold-in Current | Less than 285 mA |
| Drop-out Current | Greater than 125 mA (coil resistance 0.018 ± 0.003) |
| Manual Pressure Set-Point | 3.5" w.c. ± 0.3 |
| Range of Adjustment | 3.5" w.c. − 1.6" w.c. @ 30K BTU/hr |
| Max Inlet Pressure | 1/2 PSIG |
| Operating Temp Range | 32° to 175° F |
| Regulation Capacity | 100,000 BTU/hr max @ 1" w.c. pressure drop |
Compatible Brands
| Desa International | Majestic |
| Empire | Comfort Glow |
| FMI | Vanguard |
Cross References
| 0.820.634 / 0820634 | 0.820.654 / 0820654 |
| 0.820.655 / 0820655 | 0.820.706 / 0820706 |
| 0.820.925 / 0820952 | |
Service Note: The SIT-820 NOVA series includes hundreds of gas valves that look nearly identical. Always verify the exact model number before ordering. Using the incorrect valve may result in unsafe operation of your fireplace, gas log set, or stove.