Tetra whisper power filter 30-60 manual - Tetra Whisper Power Filter PF60, 3, 4, Advanced PF 30-60 & Triad 3000 Impeller Assembly: Whisper Power Filter PF60, 3, 4, Advanced PF 30-60 & Triad 3000 Impeller Assembly

You can solve this with a simple hose clamp from any hardware store. Take the hose with you and they will get you the right size one.

Follow the tub back and see if it is plugged where the air should come out.
www.marineland.com/Products/aquarium-parts.asp

A size and description of the washer could help. If it is the size of the intake tube then it is for the intake tube. If it is the size of the filter then it is for the filter etc etc.

You can get overhaul kits for these pumps and DIY. cheaper than buying a new pump. Your pump should last longer than that. your pump is really big for a 2 gal tank. how are you adjusting the air flow? If you throttle down the air flow a lot on a diaphragm pump, it can shorten the life of the diaphragm

Probably some debris or a mechanical fault stopping it causing the motor to get hot, strip it and give a good clean.

Sounds like it is being stopped by debris or a fault and this is causing the heat, try disassembling and cleaning and see if that helps.

A Uv-clarifier is simply placed after your filter on your return line.

You can download manuals etc from Tetra at the following address and also contact technical support etc.

http://www.tetra.de/tetra/go/61B0C1BFE0F6794377D4431C89073AC2/?lang_id=2

Tetra tech support can help you or email you a new owners manual. Call their toll free number 800-526-0650

For instructions and to get a new parts breakdown you call the Tetra Pond Division in Virginia toll-free 800-526-0650 any issues getting the right info, plan B is to ask for Product Manager Curt N.