PLUMBER DRAIN WATER HEAT RECOVERY RESOURCES
The following installation, model selection guides and best practices were developed with the assistance of experienced plumbers who have worked with the ThermoDrain product. Benefit from the experience of those who have refined these guides.
THERMODRAIN PLUMBER REFERENCE DOCUMENTS
Specification Sheets
PDF – ThermoDrain 3″ TDH series high performance drain water heat recovery
PDF – ThermoDrain 3″ TD series drain diameter drain water heat recovery
PDF – ThermoDrain 4″ TD series drain diameter drain water heat recovery
Technical Binder

COMMON RESIDENTIAL DRAIN WATER HEAT RECOVERY MODELS
TDH3335B-DR = EXCELLENT VALUE
- 33.5″ long
- 42.1% efficient
- 16.3 lbs
TDH3540B-DR = PERFECT MAX VALUE WITH A 1:1 ON LENGTH vs EFFICIENCY
- 54.0″ long
- 54.0% efficient
- 28.1 lbs
TDH3620B-DR = NETZERO DESIGNED FOR HIGH PERFORMANCE HOMES
- 62.0″ long
- 57.2% efficient
- 32.4 lbs
Note: We do offer the ThermoDrain in metric sizes. 110 and 75mm drain diameter x 22mm coil for countries that are currently using metric standard pipe sizes. The drain couplings supplied are also metric compatible.
PERFORMANCE VERIFIED AND SAFETY CERTIFIED
The ThermoDrain is Intertek safety certified to CSA B55.2 & Intertek performance verified to CSA B55.1. These standards have been developed by the Canadian Standards Association specifically for drain water heat recovery technology.
PERFORMANCE VERIFICATION TDH3XXB SERIES THERMODRAIN
