General
Support Clamps for Aquatechnik Piping: Riser Clamps and Bifix Clamps
Proper pipe support is critical in Aquatechnik PPR systems to ensure longevity, alignment, and safety. This article explains the use of riser clamps and bifix clamps, including when and where they should be used for vertical and horizontal pipe runs. ...
Domestic Hot Water & Dishwasher Types Explained
Undercounter Dishwashers A compact, bench-height machine you slide a rack into from the top. Typically under a 34″ countertop, used in bars, small cafés, and satellite kitchens. Processes 20–30 racks/hr with 2–3 minute cycles and uses 0.6–2.0 gallons ...
Think Your Non-Con Can't Handle Low Temps? Think Again.
The easy way to guard your boiler from cold return. SYMPTOMS: - Boiler makes banging or gurgling noises - Water dripping from the flue pipe - Rust or corrosion showing up early - Boiler shuts down unexpectedly or short cycles If you've seen any of ...
Look Like a Master by Knowing These 3 Venting Rules - Category 1 (Natural Draft)
A boiler locks out. A tech blames the gas valve. The owner thinks they bought a lemon. The usual fix? Swap parts, blame the equipment, move on. But what if the problem isn’t the boiler? Most people never check the venting—at least not until there’s ...
Steam Essentials: Choosing the Right Condensate Solution
Effectively managing condensate—the water formed when steam cools and condenses—is essential for keeping a steam system running efficiently and reliably. Two common solutions are condensate return tanks and boiler feed systems. This article explains ...
Handy Steam Conversion Charts
? Handy Steam Conversion Charts ? Boiler Horsepower (BHP) Conversions Unit Equivalent 1 Boiler HP = 33,475 BTU/hr 1 Boiler HP = 34.5 lbs of steam/hr 1 Boiler HP ≈ 0.069 GPM condensate 1 Boiler HP = 1 gallon (for feed tank sizing) ? Steam to Water ...
Your HPWH Setup Might Be a Disaster Waiting to Happen!
When designing a single-pass heat pump water heater (HPWH) system, one mistake can wreck efficiency, create cold spots, and turn maintenance into a nightmare. That mistake? Improper piping design. If your system isn’t using series-parallel piping, ...
Arctic Heat Pumps SERVICE MANUAL EVI DC INVERTER AIR TO WATER HEAT PUMP Rev.1
Arctic Heat Pumps Service Manual-EVI DC Inverter Air to Water Heat Pump (rev.1) *Attached*
Why do Propane (LP) regulators freeze up ?
Please click on attachments to view a very well written article with illustrations as to why Propane (LP) gas regulators freeze up and how to best avoid it .
TPI "Smart Probes"- Bluetooth Tools for Diagnostics and Testing HVAC Equipment.
TPI "Smart Probes.". Bluetooth Tools for Diagnostics and Testing of HVAC Equipment. TPI has a complete selection of Bluetooth test tools and equipment that can be utilized with TPI Bluetooth Combustion Analyzers or stand alone. Please see attached.
LAARS FT Wall and Floor Circuit Board DIP SWITCH settings. ALL MODELS.
LAARS FT Wall and Floor Circuit Board DIP SWITCH settings for all FT Models. See attached file.
Start Your Engines ! Let the Voting Begin! Rathe Associates Best of Long Island Training
Rathe Associates is honored to be nominated as "BEST OF LONG ISLAND" for training in the Trade School AND Adult Education categories of Bethpage Federal Credit Union BEST OF LONG ISLAND ! Starting October 1 ,2023 thru December 15 ,2023 please vote ...
NYC Heating Requirements
How Do I Get Free Samples?
Possible causes of spill switch issues
What is a spill switch? A spill switch is a device that is used on venting systems that is designed to stop the combustion process if the exhaust gasses are spilling into the mechanical room. For category I venting appliances, the spill switches are ...
Ten (10) Hydronic Rules of Thumb
Ten (10) Hydronic "Rules of Thumb" PSI x 2.31 = feet of head (TDH, Total Dynamic Head) GPM x Delta T x 500 = BTU/hour Pressure Drop for piping system = Linear Feet of Longest Circuit x .06 Proper flow for boiler in GPM = Output BTU/hr divided by ...