EXW Singapore — collect or forward from our Singapore office.

3G Electric
RHEEM ST120A Hot Water Storage Tank, 115 gal, 2 in NPT - Hot Water Storage Tanks For Water Heater Systems
RHEEMHot Water Storage Tanks For Water Heater Systems

RHEEM ST120A Hot Water Storage Tank, 115 gal, 2 in NPT

The RHEEM Storage Tank is a 115-gallon hot water storage tank designed for water heater systems. It features a ceramic tank lining and has a tank height of 59.25 inches and a tank diameter of 28.25 inches, with a…

SKU 3G-OTH-453710

Brand
RHEEM
Item
ST120A Hot Water Storage Tank, 115 gal, 2 in NPT
Part Number
ST120A
Category
Hot Water Storage Tanks For Water Heater Systems
Available to Order
Also known as:ST120ARHEEM
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

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

RHEEM
Manufacturer Part Number
ST120A
Type
2 in, NPT, ST120A
Tank Ht
59.25 in
Tank Dia
28.25 in
Tank Lining Material
Ceramic

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

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

Product Description

The RHEEM Storage Tank is a 115-gallon hot water storage tank designed for water heater systems. It features a ceramic tank lining and has a tank height of 59.25 inches and a tank diameter of 28.25 inches, with a 2-inch NPT connection. The model number is ST120A.

Frequently Asked Questions

What is the RHEEM ST120A storage tank used for?

The RHEEM ST120A is a 115-gallon hot water storage tank designed for commercial and industrial water heater systems. It stores heated water for consistent supply in facilities like hotels, hospitals, and manufacturing plants, ensuring reliable hot water availability.

What are the specifications of the RHEEM ST120A storage tank?

The RHEEM ST120A has a 115-gallon capacity, 59.25-inch tank height, 28.25-inch diameter, and a 2-inch NPT connection. It features a ceramic tank lining for corrosion resistance. The manufacturer part number is ST120A.

Where to buy the RHEEM ST120A storage tank worldwide?

3G Electric supplies the RHEEM ST120A storage tank worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this ceramic-lined hot water storage tank.

How to install the RHEEM ST120A storage tank?

Install the RHEEM ST120A per local plumbing codes: connect the 2-inch NPT inlet and outlet, ensure proper support for the 115-gallon filled weight, and install temperature/pressure relief valves. Always follow the manufacturer's manual for safe operation and maintenance.

Used in

Common applications for RHEEM
Commercial facilities — Rheem heat pump water heaters (e.g., PROPH80 T2 RH400-30) for centralized hot water supply in offices and retail buildings.
Residential plumbing — Rheem 40-gallon heat pump water heater (PROPH40 T2 RH400-15) for single-family or small multi-family domestic hot water.
Maintenance and repair — Rheem SP10869HL LWD heating element as a replacement part in electric water heaters.
Light industrial processes — Rheem 65-gallon heat pump water heaters (PROPH65 T2 RH400-30) for washroom and process hot water needs.
Hospitality — Rheem 80-gallon heat pump water heaters (PROPH80 T2 RH400-15) for guest room and laundry hot water demand.
Plumbing service contractors — Rheem SP10698PH 5,500 W immersion heating element for electric water heater repairs.
Not sure this is the right part? Photo-identify it→

RHEEM Products

3G Electric supplies RHEEM hot water storage tanks for water heater systems. 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 →

Related products

More from RHEEM

View all RHEEM parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first