Uniweld Service Tool Sludge Blaster 40061

The Uniweld 40061 Sludge Blaster is a tool for clearing blocked condensate drain lines.

The material that blocks condensate drains is worth understanding, because it determines what will clear it and what will keep it clear.

It is predominantly biological. An evaporator coil is dark, continuously wet, and at a temperature that suits microbial growth, and the condensate draining from it carries organic material from the airstream. A biofilm establishes on the inside of the drain line, thickens over a season, and eventually occludes the bore.

Dust and debris from the airstream become bound into that film, which is why the obstruction removed from a blocked line is a soft, dark, foul smelling mass rather than a discrete object.

This has two consequences. First, the blockage generally responds to pressure or flushing because it is not solid. Second, clearing it removes the mass but leaves the film on the pipe wall, which is why lines that have blocked once tend to block again.

Treatment addresses the film. Correct slope prevents standing water where growth establishes fastest. An adequately sized line and a correctly formed trap complete the picture.

Confirm the tool's fittings suit the drain sizes encountered, apply pressure in controlled bursts, check the discharge end is clear of people, and verify free drainage afterward.

Brand

Uniweld

SKU

40061

Category

Service Tools

Weight

1.5 lbs

Dimensions

11.50" x 7.50" x 3.00"

Price

$28.00

Availability

In stock

Rating

4.6 / 5.0