Description
The Williams Comfort Products 8946 is a proportional pressuretrol controller engineered for precise pressure-based control in a wide range of HVAC and hydronic system applications. With a broad 5–150 PSI operating pressure range and a 5 PSI pressure differential, this controller delivers reliable, responsive performance across demanding system conditions.
Built around a single potentiometer design rated at 140 ohms, the 8946 provides a smooth, proportional output signal ideal for modulating control applications. Its 1/4″ NPT external connection ensures straightforward installation into existing piping configurations, while its compatibility with steam, air, noncombustible gas, and other non-corrosive fluids makes it a versatile solution for a broad spectrum of system types.
Key Features
- 5–150 PSI operating pressure range for wide system compatibility
- 5 PSI pressure differential for accurate, stable control response
- Single potentiometer design rated at 140 ohms
- 1/4″ NPT external connection for easy field installation
- Compatible with steam, air, noncombustible gas, and non-corrosive fluids
- Proportional control output for precise modulation
Applications
- Steam heating systems
- Compressed air systems
- Noncombustible gas pressure control
- Hydronic and boiler system pressure monitoring
- Non-corrosive fluid pressure control applications
Specifications
- SKU: 8946
- Brand: Williams Comfort Products
- Operating Pressure Range: 5–150 PSI
- Pressure Differential: 5 PSI
- Potentiometer Type: Single
- Resistance: 140 Ohms
- Connection: 1/4″ NPT External
- Compatible Media: Steam, Air, Noncombustible Gas, Non-Corrosive Fluids
