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SuntecFuel oil pump

Suntec PUMP B-4000 – Two-stage, one-step pump

SUNTEC B-4000B model contains a high single pipe lift capacity and a unique hydraulic dual safety cut-on/off driven by : - A motor speed dependent device - A solenoid by-passing valve Cut-on is operated when both…

SKU 3G-OTH-02689

Also listed as: B4000 · B 4000

Brand
Suntec
Item
PUMP B-4000 – Two-stage, one-step pump
Part Number
B-4000
Category
Fuel oil pump
Available to Order
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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

Suntec
Manufacturer Part Number
B4000
Model/Type
Two-stage, one-step pump
Compatible fuels
#2, B100, #1

Technical Documents

(1)
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Suntec Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

SUNTEC B-4000B model contains a high single pipe lift capacity and a unique hydraulic dual safety cut-on/off driven by : - A motor speed dependent device - A solenoid by-passing valve Cut-on is operated when both mechanisms are released. Cut-off occurs when the speed decrease or the solenoid valve is de-energized. The first stage gear set sucks the fuel from the line, and the second stage gear set pressurizes the fuel. This unit is supplied for 1-pipe operation, without by-pass plug installed. Please verify before installation.

Frequently Asked Questions

What is the Suntec 3G-OTH-02689 pump used for?

The Suntec 3G-OTH-02689 is a two-stage, one-step fuel oil pump designed for commercial and industrial burners. It provides high single-pipe lift capacity and dual safety cut-on/off, making it suitable for applications using #2 fuel oil or biodiesel blends up to B100.

What are the specifications of the Suntec 3G-OTH-02689 pump?

The Suntec B-4000B is a two-stage, one-step pump rated for 3450 rpm. It is compatible with #2 fuel oil and B6–B100 biodiesel blends per ASTM D396. The pump features a solenoid by-pass valve and motor-speed-dependent cut-off, supplied for 1-pipe operation without a by-pass plug.

Where to buy the Suntec 3G-OTH-02689 pump in Singapore?

3G Electric supplies the Suntec 3G-OTH-02689 pump to Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact our team for pricing and lead time on this two-stage fuel oil pump for industrial burner applications.

How to install the Suntec 3G-OTH-02689 pump?

For 1-pipe installation, ensure the by-pass plug is not installed; excess fuel returns to the inlet. For 2-pipe installation, remove the return-port steel plug and insert the by-pass plug. Always verify shaft rotation and nozzle location per the datasheet before mounting.

Used in

Common applications for Suntec
Residential and commercial heating systems — Suntec AUV 47L/R service pumps for replacement in one-stage oil burners
Industrial process burners — Suntec B-4000 and B-8000 two-stage pumps for high-lift fuel delivery from remote tanks
Dual-fuel burner systems — Suntec M2N/M3N gas valves for natural gas or LPG with hydrogen blend capability
Boiler combustion control — Suntec Compact F pressure switches to supervise air or gas pressure in safety interlocks
Maintenance and repair of legacy heating equipment — Suntec AE basic pumps for purging air from nozzle lines
Biofuel-fired installations — Suntec AP two-step pumps for B30 blends in commercial burners
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Suntec Products

3G Electric supplies Suntec fuel oil pump. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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