Calefactio TO15 (The ONE) is a unique, patent-pending, flow through expansion tank system which features a bladder style expansion tank with built-in air eliminator and dirt/sludge separator. The all-in-once design saves space, costs less than separate parts and is easier and quicker to install.Technical Specifications:
- System connection: 1" Male NPT threaded (corrosion-resistant stainless steel)
- Max. operating temperature: 250°F
- Pre-charge pressure: 12 psi
- Max. operating pressure: 115 psi
- Expansion tank net volume: 2.1 gallons
- Overall Height (w/ air vent & drain valve installed): 15.6"
- Diameter: 12.8"
- Patent-pending 3-in-1 design (expansion tank + air eliminator + dirt separator)
- Small footprint, excellent for installations in confined spaces
- Costs less than separately bought components