---
product_id: 288928075
title: "Dwyer® Slack Tube® Manometer, 1211-36, 18-0-18\" w.c."
brand: "dwyer"
price: "VT98903"
currency: VUV
in_stock: true
url: https://www.desertcart.vu/products/288928075-dwyer-slack-tube-manometer-1211-36-18-0-18-w
store_origin: VU
region: Vanuatu
---

# Measures up to 50 psi total pressure Operates safely below 130°F Over pressure safety traps prevent fluid loss Dwyer® Slack Tube® Manometer, 1211-36, 18-0-18" w.c.

**Brand:** dwyer
**Price:** VT98903
**Availability:** ✅ In Stock

## Summary

> ⚙️ Measure with confidence, protect with precision!

## Quick Answers

- **What is this?** Dwyer® Slack Tube® Manometer, 1211-36, 18-0-18" w.c. by dwyer
- **How much does it cost?** VT98903 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/288928075-dwyer-slack-tube-manometer-1211-36-18-0-18-w)

## Best For

- dwyer enthusiasts

## Why This Product

- Trusted dwyer brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable Operating Range:** Designed to perform flawlessly under temperatures up to 130°F, ensuring longevity in demanding environments.
- • **Direct from Manufacturer:** Get trusted quality and expert design straight from Dwyer—engineered for professionals who demand accuracy.
- • **Built-in Safety Mechanism:** Over pressure safety traps in both columns protect your manometer fluid from loss during pressure surges—no messy refills needed.
- • **Precision Pressure Monitoring:** Accurately gauges intermittent total pressure up to 50 psi and vacuum up to 20" Hg for reliable readings every time.
- • **Water-Based Fluid Compatibility:** Optimized for use with water only, avoiding the complications of red gage fluids and ensuring consistent performance.

## Overview

The DwyerSlack Tube® Manometer 1211-36 offers precise intermittent pressure measurement up to 50 psi and vacuum up to 20" Hg, featuring over pressure safety traps to prevent fluid loss. Designed for use with water and safe operation below 130°F, it delivers reliable, durable performance ideal for professional HVAC and plumbing applications.

## Description

Dwyer® Slack Tube® Manometer, 1211-36, 18-0-18" w.c.

## Features

- MANUFACTURER DIRECT
- All models have over pressure safety traps in the top of both columns to prevent loss of fluid due to over range pressures or surges in pressure.
- Slack Tube Manometers are suitable for intermittent total pressure to 50 psi and vacuum not exceeding 20" Hg.
- Avoid temperatures above 130°F and continuous high total pressure.
- Not for use with red gage fluid; use only water.

## Product Details

- **Brand:** Dwyer
- **Material:** Acrylic
- **Item dimensions L x W x H:** 7.2 x 7.3 x 2.8 inches
- **Item Weight:** 1.3 Pounds
- **Manufacturer:** Dwyer Instruments, Inc.

## Images

![Dwyer® Slack Tube® Manometer, 1211-36, 18-0-18" w.c. - Image 1](https://m.media-amazon.com/images/I/31dLR92zKLL.jpg)
![Dwyer® Slack Tube® Manometer, 1211-36, 18-0-18" w.c. - Image 2](https://m.media-amazon.com/images/I/414DjTE+LHL.jpg)

## Frequently Bought Together

- Dwyer® Slack Tube® Manometer, 1211-36, 18-0-18" w.c.
- SUNEX TOOLS 533MD, 1 Inch Drive, 33mm Deep Impact Socket, Cr-Mo Steel, Radius Corner Design, Chamfered Opening, Dual Size Markings
- Pure Silicone Tubing - 1/8" ID x 1/4" OD - High Temp Kink-free Hose Tube 500F (10 Feet)

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**Shop now:** [https://www.desertcart.vu/products/288928075-dwyer-slack-tube-manometer-1211-36-18-0-18-w](https://www.desertcart.vu/products/288928075-dwyer-slack-tube-manometer-1211-36-18-0-18-w)

---

*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-01*