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

MCDONNELL & MILLER Pump Controller: Mfr Part # 150S - Replacement HVACR Controls, Switches & Thermostats
MCDONNELLReplacement HVACR Controls, Switches & Thermostats

MCDONNELL & MILLER Pump Controller: Mfr Part # 150S

MCDONNELL Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Pump Controller.

SKU 3G-OTH-81521

Also listed as: 150 S · 150-S

Brand
MCDONNELL
Item
& MILLER Pump Controller: Mfr Part # 150S
Category
Replacement HVACR Controls, Switches & Thermostats
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
150S
Product Type
Pump Controller

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

MCDONNELL Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Pump Controller.

Frequently Asked Questions

What is the MCDONNELL & MILLER 150S pump controller used for?

The MCDONNELL & MILLER 150S pump controller is used in HVAC and boiler systems to automatically control pump operation based on system demand. It helps maintain proper water circulation and pressure in commercial and industrial heating applications.

What are the specifications of the MCDONNELL & MILLER 150S pump controller?

The MCDONNELL & MILLER 150S is a pump controller with manufacturer part number 150S. It is designed for use in HVACR systems as a replacement control. For detailed electrical ratings and installation requirements, consult the product datasheet or contact 3G Electric.

Where to buy the MCDONNELL & MILLER 150S pump controller worldwide?

You can source the MCDONNELL & MILLER 150S pump controller through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install the MCDONNELL & MILLER 150S pump controller?

Installation of the MCDONNELL & MILLER 150S pump controller should follow the manufacturer's instructions and local electrical codes. Typically, mount the controller securely, connect power and pump wiring per the wiring diagram, and verify proper system operation. Always disconnect power before installation.

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 controls, switches & thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
MCDONNELL & MILLER Level Control Switch: 150S-MD Mfr Part #
MCDONNELL
MCDONNELL & MILLER Level Control Switch: 150S-MD Mfr Part #
MCDONNELL & MILLER Level Control Head: 150S-M-MD-HD Mfr Part #
MCDONNELL
MCDONNELL & MILLER Level Control Head: 150S-M-MD-HD Mfr Part #
MCDONNELL & MILLER Level Control Head Mechanism, Snap Switch: 150S-MD-HD Mfr Part #
MCDONNELL
MCDONNELL & MILLER Level Control Head Mechanism, Snap Switch: 150S-MD-HD Mfr Part #
Level control switch used in HVAC and industrial systems to monitor and regulate liquid levels in boilers, tanks, and receivers. Helps prevent low-water conditions that can damage equipment, ensuring safe operation in commercial and industrial applications
MCDONNELL
Level control switch used in HVAC and industrial systems to monitor and regulate liquid levels in boilers, tanks, and receivers. Helps prevent low-water conditions that can damage equipment, ensuring safe operation in commercial and industrial applications
MCDONNELL & MILLER Electrical Switch: 2 Mfr Part #
MCDONNELL
MCDONNELL & MILLER Electrical Switch: 2 Mfr Part #
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 #

More from MCDONNELL

View all MCDONNELL parts
MCDONNELL & MILLER Head Mechanism: Mfr Part # 150S-HD
MCDONNELL
MCDONNELL & MILLER Head Mechanism: Mfr Part # 150S-HD
MCDONNELL & MILLER Head Mechanism: Mfr Part # 150S-M-HD
MCDONNELL
MCDONNELL & MILLER Head Mechanism: Mfr Part # 150S-M-HD
MCDONNELL & MILLER Low Water Cut-Off Control: Mfr Part # 150S-M
MCDONNELL
MCDONNELL & MILLER Low Water Cut-Off Control: Mfr Part # 150S-M