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🚀 Flush smarter, not harder — Mastercleanse your system like a pro!
The Mastercool 69900 Mastercleanse Flush Machine is a robust, stainless steel tool engineered for professional HVAC/R and automotive system maintenance. Featuring a 300W pump motor with a 4 GPM flow rate, mechanical filtration, and durable ball valve controls, it efficiently removes solids and residues from compressors and filters. Designed for mobility with roll-away wheels and ergonomic handles, it supports multiple SAE connections for versatile flushing applications.























| ASIN | B07B9HLMR1 |
| Best Sellers Rank | #1,410,604 in Automotive ( See Top 100 in Automotive ) #1,007 in Electrical System Tools |
| Brand Name | Mastercool |
| Connector Type | SAE |
| Customer Reviews | 3.0 3.0 out of 5 stars (4) |
| Exterior Finish | Stainless Steel |
| Global Trade Identification Number | 00700376699005 |
| Included Components | Stainless steel ball valve controls^ 1/4” SAE connection^ Additional external container connection^External nitrogen bottle connection^ Pump equipped with mechanical seal and PTFE gasket^Mechanical filter present at suction side |
| Inlet Connection Size | 0.25 Inches |
| Inlet Connection Type | G Connector |
| Item Dimensions | 20 x 20 x 20 inches |
| Item Type Name | “Mastercleanse” Flush Machine |
| Item Weight | 21 Pounds |
| Manufacturer | Mastercool |
| Manufacturer Warranty Description | 1 Year from Date of purchase |
| Material Type | Stainless Steel |
| Model Number | 69900 |
| Number of Ports | 3 |
| Outlet Connection Size | 0.25 Inches |
| Outlet Connection Type | G Connector |
| Size | 35.4" x 37.4" x 50.8" |
| Thread Size | 0.25 inches |
| Thread Type | SAE |
| UPC | 700376699005 |
| Unit Count | 1.0 Count |
| Valve Type | Ball Valve |
R**N
This is junk
This unit is junk do not buy it I used it 6 times and the seal went out on the pump and dumped flush fluid all over the floor and you can't buy a new seal you have to buy the whole pump for $400.00 I would never buy a Mastercool product again I only gave it 1 star because it wouldn't let me do 0
S**E
Good
M**L
Scam
Product failed after a month of use. Seller doesn’t respond to any refund requests or warranty. Avoid buying this
E**N
Incompatible seals
We have two of these units and it seems the seal material in the pump is not compatible with the flush solvent and unable to locate seal or replacement pump.
Trustpilot
2 months ago
1 month ago