The WMO-1 is a blocked vent safety switch designed for oil-fired appliances operating under negative pressure. It detects blocked vent systems by sensing hot flue gases backing up through its heat transfer tube and can be wired to shut off the oil burner. Includes gasket and requires manual resetting. Must be installed by a qualified agency in accordance with manufacturer instructions.
Field Controls WMO-1 Blocked Vent Switch Oil Fired
Field Controls
$116.95
In Stock
- SKU:
- WMO-1
- Product Type:
- Blocked Vent Switch
- Subcategory:
- Oil Burner Safety Control
- Application:
- Residential/Commercial
- System Type:
- Oil Furnace, Oil Boiler
- Installation Type:
- OEM Replacement
- Mounting Type:
- Vent Pipe Mount
- Fuel Type:
- Oil
- Inlet Size:
- 3/4" diameter hole
- Connection Type:
- Vent Pipe
- Control Type:
- Manual Reset