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3G Electric
MCDONNELL TC-4 Dual Pressure Control - Replacement HVACR Pumps, Valves & Tubing
MCDONNELLReplacement HVACR Pumps, Valves & Tubing

MCDONNELL TC-4 Dual Pressure Control

MCDONNELL Replacement HVACR Pumps, Valves & Tubing. Specifications: Product Type: Dual Pressure Control.

SKU 3G-OTH-83765

Also listed as: TC4 · TC 4

Brand
MCDONNELL
Item
TC-4 Dual Pressure Control
Part Number
TC-4
Category
Replacement HVACR Pumps, Valves & Tubing
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

MCDONNELL
Manufacturer Part Number
TC-4
Product Type
Dual Pressure Control

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: Dual Pressure Control.

Frequently Asked Questions

What is the MCDONNELL & MILLER TC-4 dual pressure control used for?

The MCDONNELL & MILLER TC-4 dual pressure control is used in HVACR and boiler systems to monitor and regulate both high- and low-side pressures, ensuring safe and efficient operation of pumps, compressors, and related equipment.

What are the specifications of the MCDONNELL & MILLER TC-4?

The MCDONNELL & MILLER TC-4 is a dual pressure control with manufacturer part number TC-4. It is designed for replacement HVACR pumps, valves, and tubing applications, providing reliable pressure monitoring in commercial and industrial systems.

Where to buy the MCDONNELL & MILLER TC-4 dual pressure control worldwide?

3G Electric supplies the MCDONNELL & MILLER TC-4 dual pressure control worldwide. We handle full logistics, customs clearance, and delivery to your site, ensuring you receive the correct part for your HVACR or boiler system.

How to install the MCDONNELL & MILLER TC-4 dual pressure control?

Install the MCDONNELL & MILLER TC-4 by mounting it securely, connecting pressure lines to the high and low ports, and wiring per the manufacturer's diagram. Always follow local codes and system-specific guidelines for safe operation.

Used in

Common applications for MCDONNELL
Commercial boiler rooms — McDonnell & Miller low water cut-offs (e.g., Part 69) for steam and hot water boilers to prevent dry-fire.
Industrial steam systems — McDonnell & Miller water feeders (e.g., 51-S-HD) to maintain water level in low-pressure steam boilers.
HVAC hydronic heating — McDonnell & Miller level controls (e.g., 63-M) for monitoring liquid levels in expansion tanks and receivers.
Boiler maintenance and repair — McDonnell & Miller replacement head mechanisms (e.g., 94-HDLS) to restore function to existing controls.
Process equipment — McDonnell & Miller float blocks (e.g., 64-B) for on/off control of pumps and valves based on liquid level.
Steam boiler safety — McDonnell & Miller level control tappings (e.g., 63-B) to prevent low-water conditions in commercial and industrial systems.
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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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