PresCal Compact 533H
![Compact pressure reducing valve for residential and commercial applications. Picture of a Caleffi 533h](https://i0.wp.com/nesasales.com/wp-content/uploads/2019/01/Caleffi-533h.png?fit=591%2C591&ssl=1)
Compact pressure reducing valve for residential and commercial applications.
CONTECA Heat Meter
![The CONTECA is a direct heat meter designed to measure instantaneous and recorded history of thermal energy usage in residential and commercial buildings. Picture of the Caleffi Conteca Heat Meter](https://i0.wp.com/nesasales.com/wp-content/uploads/2019/01/Caleffi-Conteca.png?fit=591%2C591&ssl=1)
The CONTECA is a direct heat meter designed to measure instantaneous and recorded history of thermal energy usage in residential and commercial buildings.
AngleMix TMV
![Used in systems producing domestic hot water and easily mounts to the top of water heaters. The AngleMix maintains the desired output temperature at a constant set value compensating for both temperature and pressure fluctuations. Picture of Caleffi AngleMix](https://i0.wp.com/nesasales.com/wp-content/uploads/2019/01/Caleffi-AngleMix.png?fit=591%2C591&ssl=1)
Used in systems producing domestic hot water and easily mounts to the top of water heaters. The AngleMix maintains the desired output temperature at a constant set value compensating for both temperature and pressure fluctuations.
Boiler Trim Kits
![6 Configurations that combine 8 common boiler installation components into one simple package. Picture of Caleffi Boiler Trim Kit](https://i0.wp.com/nesasales.com/wp-content/uploads/2019/01/Caleffi-Boiler-Trim-Kit.png?fit=591%2C591&ssl=1)
6 Configurations that combine 8 common boiler installation components into one simple package.
Discal DirtMag
Discal Air Separator
Sep4 Hydraulic Separator
ThermoSetter
QuickSetter
LegioMix
AutoFill Combo
![The main function of the AutoFill is to maintain the pressure of the system at a set value while filling a sealed a hydronic system. Assembled with a backflow preventer, the AutoFill Combo protects drinking water systems from return flow. Product Picture of a Caleffi Fastfill Valve](https://i0.wp.com/nesasales.com/wp-content/uploads/2018/12/Fastfill.png?fit=591%2C591&ssl=1)