Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

MCDONNELL & MILLER Liquid Level Control Probe: P-1-SS Mfr Part # - Replacement HVACR Pumps, Valves & Tubing
MCDONNELLReplacement HVACR Pumps, Valves & Tubing

MCDONNELL & MILLER Liquid Level Control Probe: P-1-SS Mfr Part #

MCDONNELL Replacement HVACR Pumps, Valves & Tubing. Specifications: Product Type: Probe.

SKU 3G-OTH-78235

Also listed as: P1SS · P 1 SS

Brand
MCDONNELL
Item
& MILLER Liquid Level Control Probe: P-1-SS 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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MCDONNELL
Manufacturer Part Number
P-1-SS
Product Type
Probe

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 Pumps, Valves & Tubing. Specifications: Product Type: Probe.

Frequently Asked Questions

What is the MCDONNELL & MILLER P-1-SS liquid level control probe used for?

The MCDONNELL & MILLER P-1-SS probe is used for liquid level sensing in HVAC and industrial boiler systems. It detects water or other conductive fluids to control pump operation, low-water cutoffs, or alarm circuits, ensuring safe and efficient system performance.

What are the specifications of the MCDONNELL & MILLER P-1-SS probe?

The MCDONNELL & MILLER P-1-SS is a stainless steel liquid level control probe with manufacturer part number P-1-SS. It is designed for use in conductive fluid level detection applications, typically in boiler or tank systems. For exact electrical ratings and dimensions, consult the product datasheet.

Where to buy the MCDONNELL & MILLER P-1-SS probe worldwide?

3G Electric supplies the MCDONNELL & MILLER P-1-SS probe worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this probe to any country.

How to install the MCDONNELL & MILLER P-1-SS liquid level probe?

Install the MCDONNELL & MILLER P-1-SS probe into a threaded or flanged opening in the tank or boiler, ensuring the sensing tip is submerged at the desired level. Follow standard wiring practices for the control circuit, and test operation per the manufacturer's guidelines. Always consult the installation manual for torque and clearance requirements.

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 Liquid Level Control Probe: P-3-SS Mfr Part #
MCDONNELL
MCDONNELL & MILLER Liquid Level Control Probe: P-3-SS Mfr Part #
MCDONNELL & MILLER Liquid Level Control Probe: P-2-SS Mfr Part #
MCDONNELL
MCDONNELL & MILLER Liquid Level Control Probe: P-2-SS Mfr Part #
MCDONNELL & MILLER Liquid Level Control Probe: 354081 Mfr Part #
MCDONNELL
MCDONNELL & MILLER Liquid Level Control Probe: 354081 Mfr Part #
MCDONNELL & MILLER Liquid Level Control Probe: 354140 Mfr Part #
MCDONNELL
MCDONNELL & MILLER Liquid Level Control Probe: 354140 Mfr Part #
MCDONNELL & MILLER Liquid Level Control Probe: G-2-SS Mfr Part #
MCDONNELL
MCDONNELL & MILLER Liquid Level Control Probe: G-2-SS Mfr Part #
MCDONNELL & MILLER Liquid Level Control Probe: G-3-SS Mfr Part #
MCDONNELL
MCDONNELL & MILLER Liquid Level Control Probe: G-3-SS Mfr Part #

More from MCDONNELL

View all MCDONNELL parts
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 Level Control: 157S-RBP-MD Mfr Part #
MCDONNELL
MCDONNELL & MILLER Level Control: 157S-RBP-MD Mfr Part #
MCDONNELL & MILLER Cartridge: 310453 Mfr Part #
MCDONNELL
MCDONNELL & MILLER Cartridge: 310453 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 #
MCDONNELL & MILLER Casting: 193-1 Mfr Part #
MCDONNELL
MCDONNELL & MILLER Casting: 193-1 Mfr Part #