---
product_id: 324593564
title: "Quadrafire Vacuum Low Draft Negative Pressure Switch Sensor SRV7000-531 - OEM"
brand: "quadrafire"
price: "€ 141.72"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/324593564-quadrafire-vacuum-low-draft-negative-pressure-switch-sensor-srv7000-531
store_origin: HR
region: Croatia
---

# Airflow & restriction sensing OEM precision fit Made in USA, warranty-backed Quadrafire Vacuum Low Draft Negative Pressure Switch Sensor SRV7000-531 - OEM

**Brand:** quadrafire
**Price:** € 141.72
**Availability:** ✅ In Stock

## Summary

> 🌬️ Upgrade your fire system’s heartbeat with precision airflow sensing!

## Quick Answers

- **What is this?** Quadrafire Vacuum Low Draft Negative Pressure Switch Sensor SRV7000-531 - OEM by quadrafire
- **How much does it cost?** € 141.72 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/324593564-quadrafire-vacuum-low-draft-negative-pressure-switch-sensor-srv7000-531)

## Best For

- quadrafire enthusiasts

## Why This Product

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

## Key Features

- • **Safety-First Operation:** Automatically disables auger feed motor if unsafe vacuum conditions are detected, protecting your system.
- • **Seamless OEM Replacement:** Directly replaces all previous Quadra-Fire vacuum switches for effortless upgrade and compatibility.
- • **Complete Installation Kit:** Includes both hoses for a hassle-free, all-in-one replacement experience.
- • **Advanced Airflow Detection:** Accurately senses air flow and restrictions in firebox, exhaust, vent pipe, and fuel hopper to ensure optimal performance.
- • **Trusted American Craftsmanship:** Proudly made in the USA with a 90-day manufacturer warranty and no-hassle replacement guarantee.

## Overview

The Quadrafire Vacuum Low Draft Negative Pressure Switch Sensor SRV7000-531 is a reliable OEM replacement part designed to monitor airflow and pressure in your heating system. Compatible with multiple Quadra-Fire, Heatilator, and Pleasant Hearth models, it ensures safe operation by disabling the auger feed motor if unsafe conditions arise. Made in the USA and backed by a 90-day warranty, it includes all necessary hoses for easy installation.

## Description

Quadrafire Vacuum Low Draft Negative Pressure Switch Sensor SRV7000-531 - OEM

## Features

- Quadrafire Vacuum Low Draft Negative Pressure Switch Sensor SRV7000-531
- Part# SRV7000-531. Replaces all previous Quadra-fire vacuum switches, including SRV7000-166, 812-3430, 812-1990 and SRV7000-447
- Differential Vacuum Pressure Switch, Includes Both Hoses
- Senses air flow/restriction within the firebox, exhaust chamber, vent pipe and fuel hopper on select models.
- Made in USA - 90 day manufacturer warranty with our no hassle replacement guarantee

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B076BWJQPH |
| Actuator Type | Plunger |
| Best Sellers Rank | #172,647 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #93 in Fireplace Replacement Parts |
| Brand | Quadrafire |
| Circuit Type | 1-way |
| Compatible Devices | Quadra-Fire: ~ 800 ~ 1000 ~ 1100I ~ Castile FS ~ Castile Insert ~ Santa Fe FS ~ Santa Fe B ~ Santa Fe Insert ~ Classic Bay 1200 FS – CB1200 ~ Classic Bay Insert – CB1200I ~ Contour ~ Original Mt Vernon – 4 Spd Control ~ Mt Vernon AE FS ~ Mt Vernon AE Insert ~ Mt. Vernon E2 FS ~ Mt. Vernon E2 Insert ~ Edge 60 Insert Heatilator: ~ Eco-Choice PS35 – PH35 ~ Eco- Choice PS50 – PH50 ~ Eco-Choice CAB50… |
| Connectivity Protocol | X-10 |
| Connector Type | Spade Connectors and Hose Nozel |
| Contact Material | Brass |
| Contact Type | Normally Open |
| Control Method | Remote |
| Date First Available | October 10, 2017 |
| International Protection Rating | IP00 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 5.6 ounces |
| Item model number | SRV7000-531 |
| Manufacturer | HHT |
| Number of Items | 1 |
| Number of Positions | 1 |
| Operation Mode | automatic |
| Package Dimensions | 8.75 x 6 x 1.5 inches |
| Terminal | Screw |
| UPC | 850745008102 |
| Unit Count | 1.0 Count |
| Wattage | 300 watts |

## Product Details

- **Operation mode:** ON-OFF
- **Contact type:** Normally Open
- **Connector type:** Not Specified
- **Brand:** QuadraFire
- **Switch type:** Flow Switch

## Images

![Quadrafire Vacuum Low Draft Negative Pressure Switch Sensor SRV7000-531 - OEM - Image 1](https://m.media-amazon.com/images/I/617c2Zfd3iL.jpg)

## Frequently Bought Together

- Quadrafire Vacuum Low Draft Negative Pressure Switch Sensor SRV7000-531 - OEM
- Quadrafire Limit Snap Disc Switch #2 - Castile, Sante fe SRV7000-268 812-0320 FC
- Quadra-Fire Replacement Manual Reset Snap Disc #3

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**Shop now:** [https://www.desertcart.hr/products/324593564-quadrafire-vacuum-low-draft-negative-pressure-switch-sensor-srv7000-531](https://www.desertcart.hr/products/324593564-quadrafire-vacuum-low-draft-negative-pressure-switch-sensor-srv7000-531)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-18*