Shell and tube heat exchanger leaks can be very frustrating. Occasionally we receive a call from a frustrated contractor who swears he installed the heat …
Commercial Electric Humidifiers: Immersed Electrode Conductive Vs. Resistive Humidifiers (Part 2)
Part 1 of this series described the difference between electrode conductive electric humidifiers and resistive electric humidifiers. The article ended by showing a significant cost …
Commercial Electric Humidifiers: Which Style Should I Choose? (Part 1)
Proper humidification in buildings is critical in the fight to reduce the spread of air-borne viruses. We have known this for years, but the pandemic …
Domestic Water Recirculation Codes: Here is What We Heard
In the 04-05-2021 Monday Morning Minutes, we asked for your opinion on the length of the domestic water recirculation line from source to fixture. Here …
Cooling Tower Spring Startup Tips
The weather is warming, and our attention turns away from heating and toward system air conditioning. To protect the cooling tower pumps, we offer a …
Tis’ the Season to Start Your Air-Cooled Chillers
Many air-cooled chillers do not have glycol and are drained for the winter season. Most cooling towers are also drained for our cold winter months. …
Domestic Water Recirculation Codes: What Is Your Opinion?
I recently received an email from an engineer discussing the type and location of balance valves in a domestic hot water recirculation system. He brought …
Small Domestic Water Recirculation Pumps: Is it Time to Break a Habit?
Most domestic hot water recirculation pumps are very small. R.L. Deppmann is thankful that most engineers schedule a Bell & Gossett PL-30B or 36B maintenance-free …
Hydronic Expansion Tanks: Can I Pump into the Point of No Pressure Change (PNPC) to Reduce the Tank Size? (Part 3 of 3)
Can we pump into the point of no pressure change in a closed hydronic system? We gathered feedback on the proposed system by a local …
Join XYLEM, Bell & Gossett and R. L. Deppmann in Helping Houston Victims: Donation Match Opportunity
Xylem, the parent company of Bell & Gossett, has a corporate social responsibility program brand they call “Watermark.” This month they announced a program to …