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- Dwyer Large Diaphragm Pressure Switch, 1638-0...
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Item #:
146279745
Dwyer Large Diaphragm Pressure Switch, 1638-0, .05-.25 w.c.
Item #:
146279745
NZD 1582
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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In stock
Imported from USA store
QTY:
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
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Our highest precision conventional large diaphragm pressure switch provides maximum dependability.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Large Diaphragm
Designed for improved sensitivity and responsiveness, the large diaphragm enhances measurement accuracy, making it ideal for precise pressure applications.
Wide Range
With a pressure range of .05-.25 inches w.c., this switch accommodates various systems, ensuring versatility for different industrial and HVAC applications.
Reliable Operation
Engineered for durability, the Dwyer pressure switch ensures consistent performance and longevity, effectively reducing maintenance costs in demanding environments.
Product Details
| Item Weight | 1.5 lbs (680 grams) |
Who Should Buy?
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HVAC Technicians
Ideal for HVAC professionals needing reliable pressure monitoring and control for heating and cooling systems.
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Industrial Applications
Suitable for industrial setups requiring accurate pressure switches in processes involving air or gas handling.
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Home Automation
Beneficial for DIY enthusiasts integrating pressure switches into home automation projects or safety systems.
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Low-Cost Solutions
Users seeking budget options may find the price of this pressure switch prohibitive for simple applications.
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Non-Technical Users
Individuals without technical knowledge may struggle with installation or understanding the device's functionality.
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High Pressure Scenarios
Not suitable for applications requiring monitoring of pressures outside the specified range of .05-.25" w.c.
Product Description
Dwyer Large Diaphragm Pressure Switch, 1638-0, .05-.25 w.c.
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the pressure range of this switch?
Answer: The pressure range is from 0.05 to 0.25 inches w.c. -
Question:
Is this pressure switch suitable for high voltage applications?
Answer: No, it is designed to handle small electrical loads up to 15 amps. -
Question:
What approvals does this product have?
Answer: It is UL and CSA listed, and FM approved for general service.
Dwyer Pressure Switches Editorial Review
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Customer Reviews & Ratings
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Naylz
Verified buyer
“Purchased a YAMATIC 3/4" Shaft Horizontal Pressure Washer Pump 3400 PSI 2.5 GPM as a replacement for my GC190 water blaster. Fits perfectly and works well. Easy transaction and reasonable delivery to New Zealand.”
6 June 2026 · via Trustpilot
EG
Eduardo
Verified buyer
“great service, quick delivery and comunication”
2 June 2026 · via Trustpilot
DR
Dave
Verified buyer
“First time using Ubuy. Simple to use, well packed and faster than expected delivery. Was about the only way to get this item I've been after for almost a year … thank you Ubuy!”
15 May 2026 · via Trustpilot
DD
David
Verified buyer
“First time using Ubuy and very impressed. Items arrived from the USA super fast and are such a top-quality product. I will definitely be back to purchase again. Cannot recommend you highly enough for a hassle-free & efficient service. Thank you so much. I am one very happy customer.”
14 May 2026 · via Trustpilot
J
John
Verified buyer
“Very happy with the light. I wanted something a little different for a bedside lamp and find this is great. Easy to operate with a single button to turn it off and on and control the brightness and colour temperature. The item was sent quickly and a hassle free purchase.”
23 April 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
NZD 1582
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Highest precision for reliable performance.
- Visible set point indicator for convenience.
- UL, CSA listed; FM approved for versatility.
- Ideal for air conditioning and industrial applications.
- Handles electrical loads up to 15 amps.
- Pressure limits of 10 psig continuous, 25 psig surge.
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