Hydronic Caleffi 520516a Mixing Valve Anglemix 520 Thermostatic 3-way With Gauge 3/4 Inch Low Lead Brass Press 150 Pounds Per Square Inch | Midwest Supply
1" NPT/SWT Caleffi QuickSetter Balancing Valve & Flow Meter Check 132639AFC 132 | eBay
Caleffi 750473A at Woodhill Supply The supplies you need at fair prices in Willoughby, Cleveland, Ohio - Willoughby-Cleveland-OH
132 Balancing valve with flow meter | Caleffi International