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

3G Electric
CLEVELAND CONTROLS AFS-228 Adjustable Set-Point Air Pressure Switch - Adjustable Set-Point Air Pressure Switches
CLEVELAND CONTROLSAdjustable Set-Point Air Pressure Switches

CLEVELAND CONTROLS AFS-228 Adjustable Set-Point Air Pressure Switch

The CLEVELAND CONTROLS AFS-228 is an adjustable set-point air pressure switch with auto reset, SPDT contacts, and a switch voltage of 277V AC. It has an adjustable range of 0.05 in wc to 12 in wc and is open mounted.

SKU 3G-OTH-69380

Also listed as: AFS228 · AFS 228

Brand
CLEVELAND CONTROLS
Item
AFS-228 Adjustable Set-Point Air Pressure Switch
Part Number
AFS-228
Category
Adjustable Set-Point Air Pressure Switches
Available to Order
Also known as:AFS-228CLEVELAND CONTROLS
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

CLEVELAND CONTROLS
Manufacturer Part Number
AFS-228
Type
Auto Reset, 0.05 in wc to 12 in wc, Open Mounted, SPDT
AC
277V
Switch Voltage
277V 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

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

Product Description

The CLEVELAND CONTROLS AFS-228 is an adjustable set-point air pressure switch with auto reset, SPDT contacts, and a switch voltage of 277V AC. It has an adjustable range of 0.05 in wc to 12 in wc and is open mounted.

Frequently Asked Questions

What is the CLEVELAND CONTROLS AFS-228 air pressure switch used for?

The CLEVELAND CONTROLS AFS-228 is an adjustable set-point air pressure switch used to sense positive or negative air pressure in HVAC, combustion, and industrial ventilation systems. It provides SPDT switching at 277V AC for alarm, interlock, or control functions.

What are the specifications of the CLEVELAND CONTROLS AFS-228?

The AFS-228 is an auto-reset, open-mounted SPDT switch with an adjustable range of 0.05 in wc to 12 in wc. It operates at 277V AC and is manufactured by CLEVELAND CONTROLS. The part number is AFS-228.

Where to buy the CLEVELAND CONTROLS AFS-228 worldwide?

3G Electric supplies the CLEVELAND CONTROLS AFS-228 air pressure switch to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this adjustable set-point switch.

How to install the CLEVELAND CONTROLS AFS-228 air pressure switch?

Mount the AFS-228 in a clean, dry location with the pressure port connected to the sensed air duct. Wire the SPDT contacts per your control circuit (277V AC max). Adjust the set-point within the 0.05 in wc to 12 in wc range using the adjustment screw. Verify operation with a manometer.

Used in

Common applications for CLEVELAND CONTROLS
HVAC duct airflow monitoring — Cleveland Controls static pressure probe with 1/2 in smooth connection and 4 in insertion length (MPN 21117) for measuring static pressure in supply or return ducts.
Filter differential pressure monitoring — Cleveland Controls static pressure probe with 1 in barb connection and 3 1/2 in insertion length (MPN 21398-112) used to sense pressure drop across filters.
Clean room pressure control — Cleveland Controls static pressure probe with 1/2 in barb connection and 8 in insertion length (MPN 21119-112) for low-pressure measurement in controlled environments.
Combustion air proving — Cleveland Controls static pressure probe with 1 in smooth connection and 1 1/2 in insertion length (MPN 21397) to verify airflow in burner systems.
Ventilation system balancing — Cleveland Controls static pressure probe with 1/2 in smooth connection and 6 in insertion length (MPN 21118) for measuring pressure in large ducts.
Industrial exhaust monitoring — Cleveland Controls static pressure probe with 1 in barb connection and 2 in insertion length (MPN 21116-112) for pressure sensing in exhaust stacks.
Not sure this is the right part? Photo-identify it

CLEVELAND CONTROLS Products

3G Electric supplies CLEVELAND CONTROLS adjustable set-point air pressure switches. 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 CLEVELAND CONTROLS

View all CLEVELAND CONTROLS parts
Auto-reset SPDT switch with adjustable set-point range of 0.05 in wc to 2 in wc. Rated 277V AC. Open mounted. Used for sensing low air pressure differentials in HVAC, combustion, and industrial ventilation systems for alarm, interlock, or control functions
CLEVELAND CONTROLS
Auto-reset SPDT switch with adjustable set-point range of 0.05 in wc to 2 in wc. Rated 277V AC. Open mounted. Used for sensing low air pressure differentials in HVAC, combustion, and industrial ventilation systems for alarm, interlock, or control functions
Auto reset adjustable set-point air pressure switch with a range of 0.05 in wc to 12 in wc. Features SPDT contacts rated at 277V AC, housed in a conduit box with barb connection. Used for monitoring air pressure in HVAC systems, such as duct static pressure, filter status, and fan proving
CLEVELAND CONTROLS
Auto reset adjustable set-point air pressure switch with a range of 0.05 in wc to 12 in wc. Features SPDT contacts rated at 277V AC, housed in a conduit box with barb connection. Used for monitoring air pressure in HVAC systems, such as duct static pressure, filter status, and fan proving

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first