---
product_id: 201203463
title: "Zurn AquaFlush Closet Rebuild Kit, P6000-ECR-WS1-RK, 1.6 gpf, Diaphragm Rebuild Kit"
brand: "zurn"
price: "$132.97"
currency: USD
in_stock: true
reviews_count: 5
category: "Zurn"
url: https://www.desertcart.us/products/201203463-zurn-aquaflush-closet-rebuild-kit-p6000-ecr-ws1-rk-1
store_origin: US
region: United States of America
---

# Complete Diaphragm Rebuild Kit 1.6 GPF WaterSense Certified 1.6-inch NPT Inlet & Outlet Zurn AquaFlush Closet Rebuild Kit, P6000-ECR-WS1-RK, 1.6 gpf, Diaphragm Rebuild Kit

**Brand:** zurn
**Price:** $132.97
**Availability:** ✅ In Stock

## Summary

> 🚿 Upgrade your flush game — efficiency meets reliability!

## Quick Answers

- **What is this?** Zurn AquaFlush Closet Rebuild Kit, P6000-ECR-WS1-RK, 1.6 gpf, Diaphragm Rebuild Kit by zurn
- **How much does it cost?** $132.97 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/201203463-zurn-aquaflush-closet-rebuild-kit-p6000-ecr-ws1-rk-1)

## Best For

- zurn enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Lightweight:** At just 7.6 cm³ and 0.08 lbs, this kit is easy to handle and install in tight spaces.
- • **Eco-Friendly Efficiency:** Flushes powerfully with just 1.6 gallons per flush, saving water without sacrificing performance.
- • **Trusted Quality & Ratings:** Backed by a 4.7-star rating from 312 users, ensuring reliability and customer satisfaction.
- • **Durable Self-Cleaning Orifice:** Maintains peak performance with a self-cleaning orifice that reduces maintenance downtime.
- • **Precision Fit & Compatibility:** Designed for Zurn AquaVantage, AquaFlush, and Sloan Royal/Regal valve bodies for seamless installation.

## Overview

The Zurn AquaFlush Closet Rebuild Kit P6000-ECR-WS1-RK is a WaterSense-certified, 1.6 gallons per flush diaphragm rebuild kit designed for Zurn and Sloan valve bodies. Featuring a self-cleaning orifice and 1.6-inch NPT inlet/outlet connections, it offers a compact, durable, and easy-to-install solution trusted by hundreds of professionals for efficient, reliable toilet flush valve maintenance.

## Description

Diaphragm kit 1.6 GPF complete rebuild kit P6000 aqua flush.

Review: Self cleaning orifice, straight vacuum braker reliable. - Good kit.
Review: Glad I made the purchase - Great price and works well.

## Features

- Flush Valve Parts
- Aquaflush 1.6gpf/6.0lpf Closet Rebuild Kit-boxed
- For use in Zurn AquaVantage /Aquaflush & Sloan Royal / Regal valve bodies
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000M2UDGC |
| Brand | Zurn |
| Customer Reviews | 4.7 out of 5 stars 312 Reviews |
| Exterior Finish | Plastic |
| Exterior finish | Plastic |
| Global Trade Identification Number | 00670240553880 |
| Inlet Connection Size | 1.6 Inches |
| Inlet Connection Type | National Pipe Tapered |
| Inlet connection size | 1.6 Inches |
| Inlet connection type | National Pipe Tapered |
| Item Dimensions | 7.6 x 7.6 x 7.6 centimetres |
| Item Weight | 0.08 Pounds |
| Item dimensions L x W x H | 7.6 x 7.6 x 7.6 centimetres |
| Manufacturer | Zurn |
| Model Number | P6000-ECR-WS1-RK |
| Outlet Connection Size | 1.6 Inches |
| Outlet Connection Type | NPT |
| Outlet connection type | NPT |
| Part Number | P6000-ECR-WS1-RK |
| Size | 1.6 gpf |
| Specification Met | WaterSense |
| Thread Type | NPT |
| UPC | 251171306198 251171306914 670240553880 |
| Unit Count | 1.0 count |
| Valve Type | flush valve |

## Product Details

- **Brand:** Zurn
- **Exterior finish:** Plastic
- **Global Trade Identification Number:** 00670240553880
- **Inlet connection size:** 1.6 Inches
- **Inlet connection type:** National Pipe Tapered
- **Item dimensions L x W x H:** 7.6 x 7.6 x 7.6 centimetres
- **Outlet connection size:** 1.6 Inches
- **Outlet connection type:** NPT
- **Specification met:** WaterSense
- **Unit count:** 1.0 count

## Images

![Zurn AquaFlush Closet Rebuild Kit, P6000-ECR-WS1-RK, 1.6 gpf, Diaphragm Rebuild Kit - Image 1](https://m.media-amazon.com/images/I/61Hx09lA7HL.jpg)
![Zurn AquaFlush Closet Rebuild Kit, P6000-ECR-WS1-RK, 1.6 gpf, Diaphragm Rebuild Kit - Image 2](https://m.media-amazon.com/images/I/61vy7Cr4o8L.jpg)
![Zurn AquaFlush Closet Rebuild Kit, P6000-ECR-WS1-RK, 1.6 gpf, Diaphragm Rebuild Kit - Image 3](https://m.media-amazon.com/images/I/41aABrKTTlL.jpg)
![Zurn AquaFlush Closet Rebuild Kit, P6000-ECR-WS1-RK, 1.6 gpf, Diaphragm Rebuild Kit - Image 4](https://m.media-amazon.com/images/I/612zYaU02tL.jpg)

## Questions & Answers

**Q: how do you determine if 1.6gpf or 3.5gpf or other?**
A: If you look on the top cap it should say.   WS1 is1.6gal, WS is 3.5gal, and FF is Full Flush- 4.5 gal

**Q: what's the different between zurn p6000-eca and zurn p6000-ecr?**
A: Zurn P6000-ECR-WS1-RK is the diaphragm kit for our Aquaflush line : 
https://www.zurn.com/products/repair-parts/finish-plumbing/flush-valves/manual/parts-by-category/diaphragm-kits/p6000-eca-ws1

The P6000-ECR-WS1-RK is the diaphragm kit for Zurn’s AquaVantage valves: 
https://www.zurn.com/products/repair-parts/finish-plumbing/flush-valves/manual/parts-by-category/diaphragm-kits/p6000-ecr-ws1

## Customer Reviews

### ⭐⭐⭐⭐⭐ Self cleaning orifice, straight vacuum braker reliable.
*by G***L on 7 March 2025*

Good kit.

### ⭐⭐⭐⭐⭐ Glad I made the purchase
*by B***S on 5 March 2026*

Great price and works well.

### ⭐⭐⭐⭐⭐ OEM quality
*by T***S on 2 January 2020*

Not sure if these are rally Zurn products or not but they fit and work perfect. Great price.

## Frequently Bought Together

- Zurn AquaFlush Closet Rebuild Kit, P6000-ECR-WS1-RK, 1.6 gpf, Diaphragm Rebuild Kit
- Bemis 000 M1955C-000 1955CT Commercial Heavy Duty Open Front Toilet Seat Will Never Loosen & Reduce Call-Backs, Plastic, White, Elongated

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-12*