A/B Union Replacement

Cut Underneath Plumbing

• Take the tube cutters and cut the underneath plumbing as far back as you can reach under the tub. 

Glue Coupler to Underneath Plumbing

• Apply Weld On Glue liberally to the end of the flex hose of the underneath plumbing and the inside of the coupler
• Slide and twist the coupler onto the flex hose. Once fully seated, give another twist. 

NOTE: Twisting gives the glue a solid seal.

Glue Flex Hose into A/B Union

• Locate the 6" of flex hose and the A/B Union that came in the kit.
• Apply Weld On Glue liberally to the end of the flex hose and inside the A/B union.
• Slide and twist the flex hose into the A/B union. Once fully seated, give another twist.
• Attach the A/B union to the Heat Exchanger to Tub Manifold

NOTE: Twisting gives the glue a solid seal.

Measure & Cut Flex Hose

• Move the chiller into place by slide the frame bolts into the holes on the chiller base.

• Take a sharpie and make a mark on the flex hose where it intersects with the middle of the coupler.

• Remove the A/B union from the Heat Exchanger to Tub Manifold

• Cut the flex hose where the mark was made.

Glue A/B Union Flex Hose into Coupler

• Apply Weld On Glue liberally to the end of the flex hose and inside the coupler
• Slide and twist the flex hose into the coupler. Once fully seated, give another twist.

NOTE: Let sit for 2 minutes to fully dry before moving onto the next step.

Attach Heat Exchanger to Tub Manifold to Underneath Plumbing

• Slide the chiller back towards the mounting bolts and as you do see when the underneath plumbing A/B union lines up with the Heat Exchanger to Tub Manifold
• Once the manifold lines up with the A/B union start to thread the union onto the manifold
• Screw the manifold until it is fully seated and tight.
• Place the chiller onto the mounting bolts.