The TWST Series boasts all the features found on our TTS Systems while also utilizing a storage tank. This series can range from 399,800 to 1,199,400 BTU meaning it has enough power for most commercial scenarios requiring periodic high dump loads.
![](https://webfrg.com/wp-content/uploads/2024/07/TWST_1000x1000.webp)
TWST Series
Ideal for Jobs with High, Periodic Demand
- One Point of Connection
- Aluminum Frame
- 2 to 6 – Noritz NCC199CDV (GQ60) Tankless Water Heaters with System Controller
- 119 Gallon Storage Tank Included
- 1 ½” Water & Gas Manifolds
- ¾” Condensate Drain Manifold
- Expansion Tank Included
- Breaker Box w/ Included Circuit Breakers
- Pump Controller with Timer
- Surge Protector
- Building Recirculation Pump
- Storage Tank Recovery Circulator (System Pump)
- Isolation Valves
- Well Immersed Thermistors for Easy Monitoring of Building Hot Water Performance
- 2” Hot Water Supply to Storage Tank
- 2” Cold Make Up Water
- 2” Supply through Pump to Tankless
- 2” Pump Bypass
- Integrated 2” Check Valves