We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

MCDONNELL & MILLER Water Control, 150W - Replacement HVACR Pumps, Valves & Tubing
MCDONNELLReplacement HVACR Pumps, Valves & Tubing

MCDONNELL & MILLER Water Control, 150W

MCDONNELL Replacement HVACR Pumps, Valves & Tubing. Specifications: Product Type: Low Water Cut-Off.

SKU 3G-OTH-83085

Also listed as: 157 S · 157-S

Brand
MCDONNELL
Item
& MILLER Water Control, 150W
Category
Replacement HVACR Pumps, Valves & Tubing
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

MCDONNELL
Manufacturer Part Number
157S
Product Type
Low Water Cut-Off

Technical Documents

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

Product Description

MCDONNELL Replacement HVACR Pumps, Valves & Tubing. Specifications: Product Type: Low Water Cut-Off.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the MCDONNELL & MILLER 157S low water cut-off used for?

The MCDONNELL & MILLER 157S low water cut-off protects boilers and steam systems by shutting down the burner when water level drops below safe limits. It is commonly used in commercial and industrial HVAC applications to prevent dry-fire damage and ensure safe operation.

What are the specifications of the MCDONNELL & MILLER 157S?

The MCDONNELL & MILLER 157S is a low water cut-off with a snap switch rated for 150W. It is designed for use in steam and hot water boilers. The product type is Low Water Cut-Off, and the manufacturer part number is 157S. It provides reliable level sensing for system protection.

Where to buy the MCDONNELL & MILLER 157S worldwide?

You can source the MCDONNELL & MILLER 157S low water cut-off 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 on this replacement HVACR component.

How to install the MCDONNELL & MILLER 157S low water cut-off?

Install the MCDONNELL & MILLER 157S in the boiler water line according to manufacturer guidelines. Ensure proper wiring to the snap switch and burner circuit. Test the cut-off function after installation. For specific procedures, consult the product manual or a qualified technician.

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.

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MCDONNELL & MILLER Low Water Cut-Off, Snap Switch: 157S-RL Mfr Part #
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