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Atoms & Bits

The atoms of the mechanical world have long been on a collision course with the bits of the digital world. Operating at the intersection requires an independent understanding of both worlds. Atoms & Bits is our attempt to build that cross-domain understanding so that you too can operate at the intersection of atoms and bits.

Taco CI Series Pumps: Selection, Features & Applications

Taco CI Series Pumps: Selection, Features & Applications

Published: Aug 27, 2026By: Lucas Gasparotto

Taco CI Series pumps have a close-coupled end-suction design and are commonly used in commercial hydronic systems. This guide explains how they work, their main service and construction features, and what should be verified before selecting one of these pumps. 

 

Squirrel Fan

What is a "Squirrel Cage" Fan?

Updated on: Aug 24, 2026By: Lucas Gasparotto

Learn how squirrel cage fans work, how they differ from axial fans, and what to check before selecting a replacement blower for HVAC equipment.

Suction Diffuser

What is a Suction Diffuser?

Updated on: Aug 20, 2026By: Lucas Gasparotto

A suction diffuser is a combination elbow, reducer, strainer, and straightening vane that works to provide maximum flow efficiency at the suction inlet of the pump while at the same time reducing space and fitting requirements.
What is a Triple Duty Valve?

What is a Triple Duty Valve?

Updated on: Aug 13, 2026By: Lucas Gasparotto

Triple duty valves combine three different types of valves typically on the discharge side of a hydronic pump system - a shut-off valve, check valve, and balancing/throttling valve - into one.

Circuit Setter

What is a Circuit Setter?

Updated on: Aug 06, 2026By: Lucas Gasparotto

Learn what a Circuit Setter is, how a circuit setter balance valve works, and how it helps control flow in hydronic HVAC and plumbing systems.

Honeywell Zone Valves: VN Series Overview, Applications, Specs, and Selection Guide

Honeywell Zone Valves: VN Series Overview, Applications, Specs, and Selection Guide

Published: Jul 30, 2026By: Lucas Gasparotto

Explore Honeywell Zone Valves - VN Series, including 2-way and 3-way configurations, modulating and two-position control, actuator options, and selection tips.

What Is a Venturi Gas Valve?

What Is a Venturi Gas Valve?

Published: Jul 23, 2026By: Lucas Gasparotto

Learn what a venturi gas valve does, how gas valve/venturi assemblies support air-and-fuel mixing in boilers and burners, and why proper OEM matching matters for safe combustion performance.

Bladder Tanks vs. Diaphragm Tanks

Bladder Tanks vs. Diaphragm Tanks

Updated on: Jul 16, 2026By: Lucas Gasparotto

Bladder expansion tanks contain a balloon-like bladder that can be replaced when required. On the other hand, a diaphragm expansion tank includes a flat diaphragm directly mounted to the tank.
NIBCO LCS-6822 & LCS-7822: High Performance Butterfly Valve Overview

NIBCO LCS-6822 & LCS-7822: High Performance Butterfly Valve Overview

Published: Jul 09, 2026By: Lucas Gasparotto

Compare the NIBCO LCS-6822 and LCS-7822 high-performance butterfly valves, including pressure ratings, stainless steel trim, applications, and operator options.