Description for DHX-75
Please Note: This mechanical module does not ship pre-wired. Documentation on field wiring will be provided
The DHX-75 heating module works well for tankless water heaters when domestic hot water and a hydronic heating system are combined. The components include:
- Taco X-Pump Block Heat Exchanger - includes dual Taco 008 circulators and outdoor reset for optimal efficiency. This heat exchanger is for domestic and heating hot water separation.
- Grundfos UPS15-35SFC Stainless Steel 3 Speed Circulator for Primary Loop
- Honeywell AM-1 Mixing Valve for domestic hot water and all the basic make-up line components
Piping is done in 3/4" Type "L" copper for the same connections on the heat exchanger. The Taco heat exchanger is rated for up to 59,000 BTUs.
Bottom Left: Domestic cold water in and mixed domestic hot water out
Top Left: In and out connections to the tankless water heater
Far Right: Hydronic system supply and return
Connect your properly sized expansion tank and relief valve
PLEASE NOTE: The product weighs 34.35 lbs. and may require the use of a
If you do require a lift gate at your delivery, you'll have the option to add this FREE of charge when you checkout.