Description
The Field Controls CV-4 (SKU 46521801) is a heavy-duty 4″ stainless steel telescopic Combovent engineered specifically for oil-fired heating equipment. Running on 115VAC at 3000 RPM, this combination vent system delivers reliable draft control and venting performance in demanding residential and light commercial applications.
Why Choose the Field Controls CV-4?
The CV-4 Combovent integrates a power venter and barometric draft control into a single, compact telescopic assembly — simplifying installation and reducing the number of components required. The stainless steel construction ensures long-lasting corrosion resistance, making it well-suited for the harsh flue gas environment produced by oil-fired boilers, furnaces, and water heaters.
Key Features
- 115VAC operating voltage for compatibility with standard residential and commercial electrical systems
- 3000 RPM motor speed for consistent, powerful draft induction
- 4″ diameter telescopic design for flexible installation in a variety of vent configurations
- Stainless steel construction for superior corrosion resistance and durability
- Combination power venter and barometric draft control in one unit
- Designed specifically for oil-fired boilers, furnaces, and water heaters
- Telescopic body allows for easy field adjustment to match vent pipe depth
Specifications
- SKU: 46521801
- Model: CV-4
- Brand: Field Controls
- Voltage: 115VAC
- Motor Speed: 3000 RPM
- Vent Diameter: 4″
- Material: Stainless Steel
- Application: Oil-fired heating equipment
Applications
- Oil-fired boilers
- Oil-fired furnaces
- Oil-fired water heaters
- Residential and light commercial venting systems







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