Caleffi 626600A Flow SwitchThe Caleffi 626600A Flow Switch is a paddle type, universal flow switch designed for reliable flow detection in HVAC and hydronic systems. With a 1 inch nominal size and a male threaded end connection, this brass enclosed unit delivers rugged performance in challenging environments. Designed for durability, the stainless steel sensor, brass enclosure, and protective NEMA 5 enclosure with IP54 protection ensure dependable operation in damp or dusty

the unit maintains steady performance across typical building systems

and steam mains - providing reliable protection across industrial and commercial heating systems

375" D × 5

The SMD Air Pressure Switch is a compact

This CSA-approved thermocouple delivers accurate temperature readings across a hot junction range up to 1500°F and a cold junction up to 850°F

Maintains accurate oxygen readings for emissions testing

Quality parts: AO Smith thermostat kit designed for longevity

The nylon body supports long-lasting use

Engineered for reliability in tight spaces

20 Kilovolt Peak

Inclusions: Brass Valve Plug

OEM-recommended anode rod kit