Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
TJERNLUND HS4 Pipe-Mount Exhaust Draft Inducer - Pipe-Mount Exhaust Draft Inducers
TJERNLUNDPipe-Mount Exhaust Draft Inducers

TJERNLUND HS4 Pipe-Mount Exhaust Draft Inducer

The TJERNLUND HS4 is a pipe-mount exhaust draft inducer designed for boilers and water heaters using LP fuel. It operates on 115V AC with a current draw of 5.8 A and is compatible with 8 in to 12 in pipe. The unit…

SKU 3G-OTH-75120

Brand
TJERNLUND
Item
HS4 Pipe-Mount Exhaust Draft Inducer
Part Number
HS4
Category
Pipe-Mount Exhaust Draft Inducers
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.
EXW Singapore
Collect or forward from our office
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
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

TJERNLUND
Manufacturer Part Number
HS4
Current
5.8 A
Includes
Fan Proving Switch
Application
Boilers
For Fuel Type
LP
Nominal Voltage
115V AC
Nameplate Voltage
115V AC

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

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

Product Description

The TJERNLUND HS4 is a pipe-mount exhaust draft inducer designed for boilers and water heaters using LP fuel. It operates on 115V AC with a current draw of 5.8 A and is compatible with 8 in to 12 in pipe. The unit includes a fan proving switch.

Frequently Asked Questions

What is the TJERNLUND HS4 induced draft blower used for?

The TJERNLUND HS4 induced draft blower is used to create negative draft in boiler and water heater vent systems using LP fuel. It mounts directly to the pipe and includes a fan proving switch for safety. This ensures proper exhaust flow and efficient combustion in commercial or industrial heating applications.

What are the specifications of the TJERNLUND HS4?

The TJERNLUND HS4 operates on 115V AC with a current draw of 5.8 A. It is designed for LP fuel and fits 8 in to 12 in pipe. The unit includes a fan proving switch and is intended for boiler applications. The manufacturer part number is HS4.

Where to buy the TJERNLUND HS4 worldwide?

3G Electric supplies the TJERNLUND HS4 induced draft blower 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 on this pipe-mount exhaust draft inducer.

How to install the TJERNLUND HS4 induced draft blower?

Install the TJERNLUND HS4 by mounting it directly to the vent pipe within the 8 in to 12 in range. Ensure the fan proving switch is properly wired to the boiler control circuit. Follow local codes and the manufacturer's manual for safe electrical connections and venting. Always disconnect power before installation.

Used in

Common applications for TJERNLUND
Oil-fired furnaces — Tjernlund D-3 pipe-mount draft inducer for 5 in to 8 in pipe, 115V AC, 0.96 A.
Natural gas water heaters — Tjernlund HSJ pipe-mount draft inducer for 4 in pipe, 110 cfm, cETL Listed.
HVAC air pressure sensing — Tjernlund PS1503 or PS1505 fixed set-point switch, 0.05 in wc, SPST, 115V AC.
Residential ventilation — Tjernlund AS2SW3 dial fan speed control for AireShare series, 24V AC, 3 A.
Light-commercial ventilation — Tjernlund SC-1 or SCP dial fan speed control for PS1503 series, 115V/125V AC, 3 A.
RT series fan control — Tjernlund UCRT dial fan speed control, 120V AC, 16 A, blue steel plate.
Not sure this is the right part? Photo-identify it→

TJERNLUND Products

3G Electric supplies TJERNLUND pipe-mount exhaust draft inducers. 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 →

More from TJERNLUND

View all TJERNLUND parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first