Thomas 617 Aeration Pump

The Thomas 617 Wob-L Piston air system is compact and strong giving 1.16 cfm. @ 5 psi and is only 1/7 hp. It handles  ponds that are 30′ deep or run 2 air diffusers in 4-9′ of water. The right size to aerate and clean smaller ponds and reduce algae growth. Great for use in the winter to prevent fish kill and keep the pond open for swans, ducks or dock deicing. Perfect for ponds up to 70’ with 1 air stream diffuser.  

We have been selling these 617 compressors for 25 years with very little problems. Purchase a kit with the 617 pump, air stream diffuser and 50’ of self weighted tubing, makes an excellent Koi or small swimming pond cleaner.  

• Proudly made in the USA
• Trusted by thousands — 3,000+ sold over 30 years with virtually no issues
• Fully rebuildable for long-lasting performance
• Easy access to replacement and rebuild parts

• 1/7th hp 
• 3 running amps 
• Up to 15’ deep water 
• Puts out 1.16 cfm