We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

MCDONNELL & MILLER Electrical Switch: 309100 Mfr Part # - Replacement HVACR Pumps, Valves & Tubing
MCDONNELLReplacement HVACR Pumps, Valves & Tubing

MCDONNELL & MILLER Electrical Switch: 309100 Mfr Part #

The MCDONNELL & MILLER Electrical Switch, part number 309100, is a replacement component for HVACR pumps, valves, and tubing. It is compatible with manufacturer part number 369-MV. This electrical switch is designed…

SKU 3G-OTH-82245

Brand
MCDONNELL
Item
& MILLER Electrical Switch: 309100 Mfr Part #
Category
Replacement HVACR Pumps, Valves & Tubing
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MCDONNELL
Manufacturer Part Number
309100
Product Type
Electrical Switch
Compatible Manufacturer Part Number
369-MV

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

MCDONNELL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MCDONNELL & MILLER Electrical Switch, part number 309100, is a replacement component for HVACR pumps, valves, and tubing. It is compatible with manufacturer part number 369-MV. This electrical switch is designed for use in industrial equipment systems.

Frequently Asked Questions

What is the MCDONNELL & MILLER 309100 electrical switch used for?

The MCDONNELL & MILLER 309100 electrical switch is a replacement component for HVACR pumps, valves, and tubing in industrial equipment systems. It is compatible with part number 369-MV and is designed to control electrical circuits in heating, ventilation, air conditioning, and refrigeration applications.

What are the specifications of the MCDONNELL & MILLER 309100 switch?

The MCDONNELL & MILLER 309100 is an electrical switch with manufacturer part number 309100. It is compatible with manufacturer part number 369-MV. This switch is used as a replacement component in HVACR pumps, valves, and tubing for industrial equipment systems.

Where to buy the MCDONNELL & MILLER 309100 switch worldwide?

You can source the MCDONNELL & MILLER 309100 electrical switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time.

How to install the MCDONNELL & MILLER 309100 electrical switch?

To install the MCDONNELL & MILLER 309100 switch, first disconnect power to the system. Remove the old switch and verify compatibility with part 369-MV. Connect wiring per the manufacturer's diagram, secure the switch, and restore power. Always follow standard industrial safety procedures.

Used in

Common applications for MCDONNELL
Steam boiler low-water cutoff — McDonnell & Miller 61 level control
Condensate receiver level monitoring — McDonnell & Miller RS-4-BR-1 4-level sensor
HVACR pump suction filtration — McDonnell & Miller 340700 strainer basket assembly
Flow switch head replacement — McDonnell & Miller 63-HD head mechanism
Boiler control circuit safety — McDonnell & Miller 7-BM electrical switch with manual reset
Field servicing of flow switches — McDonnell & Miller 310452 cartridge kit

MCDONNELL Products

3G Electric supplies MCDONNELL replacement hvacr pumps, valves & tubing. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Pump Accessories Valves & Regulation Motors & Drives All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
MCDONNELL & MILLER Snap-Action Switch Assembly: 310464 Mfr Part #
MCDONNELL
MCDONNELL & MILLER Snap-Action Switch Assembly: 310464 Mfr Part #
MCDONNELL & MILLER Electrical Switch: 2 Mfr Part #
MCDONNELL
MCDONNELL & MILLER Electrical Switch: 2 Mfr Part #
MCDONNELL & MILLER Snap-Action Switch Assembly: 310488 Mfr Part #
MCDONNELL
MCDONNELL & MILLER Snap-Action Switch Assembly: 310488 Mfr Part #
MCDONNELL & MILLER Snap-Action Switch Assembly: 310462 Mfr Part #
MCDONNELL
MCDONNELL & MILLER Snap-Action Switch Assembly: 310462 Mfr Part #
MCDONNELL & MILLER Electrical Switch: 5 Mfr Part #
MCDONNELL
MCDONNELL & MILLER Electrical Switch: 5 Mfr Part #
MCDONNELL & MILLER Electrical Switch: 7-B Mfr Part #
MCDONNELL
MCDONNELL & MILLER Electrical Switch: 7-B Mfr Part #

More from MCDONNELL

View all MCDONNELL parts
MCDONNELL & MILLER Combination Low Water Cut-Off/Pump Controller: 94-M-HD Mfr Part #
MCDONNELL
MCDONNELL & MILLER Combination Low Water Cut-Off/Pump Controller: 94-M-HD Mfr Part #
MCDONNELL & MILLER Level Control: 63-M Mfr Part #
MCDONNELL
MCDONNELL & MILLER Level Control: 63-M Mfr Part #
MCDONNELL & MILLER Water Feeder: 51-S-HD Mfr Part #
MCDONNELL
MCDONNELL & MILLER Water Feeder: 51-S-HD Mfr Part #
MCDONNELL & MILLER Level Control Float Block: 64-B Mfr Part #
MCDONNELL
MCDONNELL & MILLER Level Control Float Block: 64-B Mfr Part #
MCDONNELL & MILLER Level Control Tapping: 63-B Mfr Part #
MCDONNELL
MCDONNELL & MILLER Level Control Tapping: 63-B Mfr Part #
MCDONNELL & MILLER Cartridge: 310453 Mfr Part #
MCDONNELL
MCDONNELL & MILLER Cartridge: 310453 Mfr Part #
MCDONNELL & MILLER Level Control: 157S-RBP-MD Mfr Part #
MCDONNELL
MCDONNELL & MILLER Level Control: 157S-RBP-MD Mfr Part #
MCDONNELL & MILLER Low Water Cut-Off, Pump Controller: 193 Mfr Part #
MCDONNELL
MCDONNELL & MILLER Low Water Cut-Off, Pump Controller: 193 Mfr Part #