---
product_id: 324593564
title: "Quadrafire Vacuum Low Draft Negative Pressure Switch Sensor SRV7000-531 - OEM"
brand: "quadrafire"
price: "₱9511"
currency: PHP
in_stock: true
category: "Quadra Fire"
url: https://www.desertcart.ph/products/324593564-quadrafire-vacuum-low-draft-negative-pressure-switch-sensor-srv7000-531
store_origin: PH
region: Philippines
---

# 300W power efficiency OEM precision fit & replaceability Made in USA, quality assured Quadrafire Vacuum Low Draft Negative Pressure Switch Sensor SRV7000-531 - OEM

**Brand:** quadrafire
**Price:** ₱9511
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your firebox’s brain with precision airflow control!

## Quick Answers

- **What is this?** Quadrafire Vacuum Low Draft Negative Pressure Switch Sensor SRV7000-531 - OEM by quadrafire
- **How much does it cost?** ₱9511 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/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

- • **Plug & Play Installation:** Screw terminal connections and vent mounting type make installation quick and professional-grade.
- • **Seamless OEM Replacement:** Fits all previous Quadra-Fire vacuum switches for effortless upgrades and zero compatibility worries.
- • **Robust Build with Warranty:** Crafted from durable metal with a 90-day hassle-free manufacturer warranty for peace of mind.
- • **Precision Airflow Monitoring:** Differential vacuum pressure sensing ensures optimal combustion and safety by detecting airflow and restrictions in real-time.
- • **Trusted American Craftsmanship:** Proudly made in the USA, delivering reliability that professionals demand.

## Overview

The Quadrafire Vacuum Low Draft Negative Pressure Switch Sensor SRV7000-531 is a high-performance OEM replacement part designed to monitor and regulate airflow within your firebox system. Compatible with a wide range of Quadra-Fire, Heatilator, and Pleasant Hearth models, it ensures safe and efficient operation by preventing auger feed motor activation during unsafe conditions. Made in the USA with durable metal construction, it features screw terminal connections and comes with a 90-day manufacturer warranty, making it a reliable choice for professional-grade home heating maintenance.

## Description

Quadra-Fire, Heatilator, Pleasant Hearth Vacuum Switch Fits Quadra-Fire Models: ~ 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 Fits Heatilator & Pleasant Hearth Models: ~ Eco-Choice PS35 – PH35 ~ Eco- Choice PS50 – PH50 ~ Eco-Choice CAB50 Part Numbers: ~ Part# SRV7000-531. Replaces all previous Quadra-fire vacuum switches, including SRV7000-166, 812-3430, 812-1990 and SRV7000-447 Specs: ~ Differential Vacuum Pressure Switch, Includes Both Hoses ~ Senses air flow/restriction within the firebox, exhaust chamber, vent pipe and fuel hopper on select models. ~ The vacuum switch runs in circuit with the feed system. If the vacuum switch is faulty or senses a safety issue it will not allow the auger feed motor to operate. ~ Guaranteed HHT/Quadra-Fire OEM Part ~ 90 day manufacturer warranty with our no hassle replacement guarantee ~ Made in the USA

## 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 |
| Brand Name | QuadraFire |
| Connector Type | Screw connection |
| Contact Type | Normally Open |
| Controller Type | Push Button |
| International Protection Rating | IP00 |
| Item Weight | 159 g |
| Manufacturer | HHT |
| Material Type | Metal |
| Model | SRV7000-531 |
| Mounting Type | vent |
| Operation Mode | ON-OFF |
| Switch Type | Flow Switch |
| Terminal | Screw |
| UPC | 850745008102 |
| Unit Count | 1.0 Count |
| Wattage | 300 watts |

## Product Details

- **Brand:** QuadraFire
- **Connector type:** Screw connection
- **Contact type:** Normally Open
- **Operation mode:** ON-OFF
- **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.ph/products/324593564-quadrafire-vacuum-low-draft-negative-pressure-switch-sensor-srv7000-531](https://www.desertcart.ph/products/324593564-quadrafire-vacuum-low-draft-negative-pressure-switch-sensor-srv7000-531)

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*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-04-01*