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Mcdonnell & Miller Series PSE-800-M Probe Type LWCO - Low Water Cut Offs
Mcdonnell & MillerLow Water Cut Offs

Mcdonnell & Miller Series PSE-800-M Probe Type LWCO

Note: listed by manufacturer as obsolete/discontinued.

SKU 3G-OTH-02763

Also listed as: PSE800M · PSE 800 M

Brand
Mcdonnell & Miller
Item
Series PSE-800-M Probe Type LWCO
Part Number
PSE-800-M
Category
Low Water Cut Offs
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Technical Specifications

Mcdonnell & Miller
Manufacturer Part Number
PSE800M

Technical Documents

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Mcdonnell & Miller Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

Note: listed by manufacturer as obsolete/discontinued.

Frequently Asked Questions

What is the McDonnell & Miller Lockout Delay CSD-1 Code Compliance Power Interruption Test Button used for?

This low water cut off is used on steam and hot water boilers to meet CSD-1 code requirements. It provides a lockout delay, power interruption test button, and green power on / red LWCO LEDs for visual status indication.

What are the specifications of the McDonnell & Miller Lockout Delay CSD-1 Code Compliance Power Interruption Test Button?

This McDonnell & Miller low water cut off includes a lockout delay function, a power interruption test button, and green power on / red LWCO LEDs. It is designed for CSD-1 code compliance. The manufacturer lists this model as obsolete/discontinued.

Where to buy the McDonnell & Miller Lockout Delay CSD-1 Code Compliance Power Interruption Test Button in Singapore?

3G Electric supplies the McDonnell & Miller Lockout Delay CSD-1 Code Compliance Power Interruption Test Button to Singapore. We handle logistics, customs clearance, and delivery. Contact us for availability and lead time on this obsolete/discontinued model.

How to install the McDonnell & Miller Lockout Delay CSD-1 Code Compliance Power Interruption Test Button?

Installation should follow the manufacturer's manual and local boiler codes. Typically, mount the low water cut off at the correct water level, wire the power interruption test button and LEDs per the diagram, and test the lockout delay function after installation.

Used in

Common applications for Mcdonnell & Miller
Steam boiler low-water cutoff — McDonnell & Miller inline flow switches (e.g., FS-1) for automatic burner shutdown
Cooling water flow monitoring — McDonnell & Miller insertion-style switches (e.g., FS4-3D) in large-diameter pipes
Hazardous-area process lines — McDonnell & Miller FS7-4E with NEMA 7/9 enclosure for Class I, Div 1 locations
HVAC chilled water systems — McDonnell & Miller FS6-1 inline switch for pump flow verification
Industrial wastewater treatment — McDonnell & Miller FS4-3S stainless steel switch for corrosive fluid flow detection
Boiler feedwater control — McDonnell & Miller FS8-WJ with BSP connections for international installations
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Mcdonnell & Miller Products

3G Electric supplies Mcdonnell & Miller low water cut offs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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