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Water level control | cast iron chamber | SPDT mercury switch.
Series 123/125 Boiler Water Level Control
The Series 123 & 125 Boiler Water Level Controls are designed for boiler applications, the 123 is primarily used for low water cut-off or feed-water control. Other applications include condensate tanks and deaerators. A special snap action switch mechanism eliminates frequent operation due to surging water level. A transparent cover provides convenient visible operation of the switch. Features a flanged chamber for easy clean out and replacement of float or switch mechanism without removing the unit from piping. The 125 offers the same long lasting service with a direct action mercury switch movement that provides a close deadband where needed.
Product Applications
- Boiler Low Water Cut-Off
- Boiler Feed-Water Control
- Condensate Tanks
- Deaerators
- Special snap action switch mechanism options eliminates frequent operation due to surging water level
- Transparent cover provides convenient visible operation of the switch
- Flanged chamber for easy clean out and replacement of float or switch mechanism without removing the unit from piping
- Series
- 123/125 Boiler Water Level Control
- Category/Type
- Level
- Type
- Level Switches
- Series
- 123/125 Boiler Water Level Control
- Service
- Compatible liquids. Cast iron is not for use with lethal or flammable substances either liquid or gaseous.
- Wetted Materials
- Body: Cast iron. Float: 304 SS. Trim and packing gland: Brass. Packing: Carbon. Body gasket: Carbon.
- Temperature Limit
- Ambient Temperature: 212°F (100°C);Process Temperature: 365°F (185°C).
- Pressure Limit
- 150 psig (10.34 bar).
- Enclosure Rating
- General purpose. Optional weatherproof.
- Switch Type
- SPDT snap switch or mercury switch. Optional DPDT or two stage.
- Electrical Rating
- Snap switch: 15 A @ 120/240/480 VAC; 0.5 A @ 120 VDC resistive; 0.25 A @ 240 VDC resistive. Mercury switch: 4 A @ 120 VAC/DC; 2 A @ 240 VAC/DC.
- Electrical Connections
- Screw terminal.
- Conduit Connection
- 7/8″ (22.23 mm) hole for 1/2″ (12.7 mm) conduit.
- Process Connections
- 1″ female NPT.
- Mounting Orientation
- Vertical.
- Deadband
- Approximately 1-1/2″ (38.1 mm).
- Specific Gravity
- 0.88 min.
- Options
- Manual reset.
- Weight
- 20 lb (9.1 kg).
- Agency Approvals
- CSA; UL. (Snap switch is not rated).
Resources
^^Water level control, cast iron chamber, SPDT mercury switch.^^
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Note: Orders that contain more than one item will be assigned a processing date in accordance with the item.
Before shipping, our team will perform an extensive inspection of the items you purchased. Today, the majority orders will be sent within 48 hours. The delivery time varies between 3-7 days.
Returns
Due to the multiple parties involved which include the factory as well as the warehouse, we cannot fully manage stock. The actual inventory may change at any moment. It is possible that you will not receive your order after the order has been made.
Our policy is valid for 30 days. If 30 days have passed in the past since you purchased however, we're unable to give you a return or exchange.
For your item to be returned it must be in its original packaging, unopened and in the same condition as when you received it in. It must also be returned in the original packaging.
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