'/%3E%3C/svg%3E)
Hover image to zoom
Air Pressure Switch Product, Style E121
 --%3E %3Csvg version='1.1' id='No-RB' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' x='0px' y='0px' viewBox='0 0 100 100' enable-background='new 0 0 100 100' xml:space='preserve'%3E %3Cpath fill='%23CECECE' d='M79.44,0.95H20.56C9.78,0.95,0.95,9.78,0.95,20.56v58.87c0,10.79,8.82,19.61,19.61,19.61h58.87 c10.79,0,19.61-8.83,19.61-19.61V20.56C99.05,9.78,90.22,0.95,79.44,0.95z M65.38,58.24l9.38,29.58L49.69,69.78L24.5,87.82 l9.34-29.6L8.8,39.6l30.73-0.17c0,0,6.98-19.61,10-28.93c0.54,1.36,9.88,29.1,9.88,29.1H91.2L65.38,58.24z'/%3E %3C/svg%3E){kind=small}
Hover image to zoom
$158.45 each
In Stock
Get 3 Wed, Oct 4
More Available
Order by today, receive Wednesday
MANUALS (1)
Free Shipping This item ships free
Easy Returns No restocking fee for 90 days
Description
–
Airflow Differential Pressure Switches are used to sense positive, negative, or differential air pressure in HVAC systems. They provide high or low limit with alarm or high limit shutdown with manual reset.
Features
Specifications
Features
- Models available with compression or barb fittings.
- SPDT contacts on automatic reset models SPST n.c. contacts on manual reset models.
- Electrical switch enclosed in metal box with cover.
- Reliable pneumatic operation. UL and CSA Listed, FM approved.
- Adjustable setpoint.
Specifications
- Description: Airswitch Product, Style E121, Adjustable Range .05"±.02" wc to 12.0" wc PR. Yellow Label
- Connection Type: 1/4 in. Compression
- Setpoint: 05"±.02" wc to 12.0" wc PR
- Electrical Ratings: 15 Amps resistive to 277 Vac
- Electrical Switch: SPDT
- Max Operating Pressure: 1/2 psi
- Additional Features: Switching Differential: .02"±.01" wc @ minimum set point to approximately .80" wc @ maximum set point
- Dimensions: 5.0 in. Diameter
- Operating Temperature Range (F): -40 F to +190 F
- Pilot Duty Ratings: 278 Va @ 24 Vac
Specs
–
| Setpoint Range: | 0.05" to 12.0" WC |
|---|
Questions?
Speak with a real person who will go out of the way to help!
Call or text 888-757-4774
Monday – Thursday
8am–7:45pm
Friday
9am–7:45pm
Saturday – Sunday
9am–5:45pm
Free Shipping
On orders over $99
We offer flexible shipping and scheduling options, up-to-date delivery estimates, and free ground shipping on any order over $99 to make sure your order gets to you on-time, for less.
Shipping PolicyEasy Returns
Returning items is as simple as 1-2-3
Ordered the wrong product? Item damaged in transit? Our 3-step process makes returning products easy – even up to a year after purchase – with no restocking fees on returns made within 90 days.
Return Policy