Products by Category
Everything here comes from our two linecards. Each entry shows which linecard it is on and that linecard's revision date. Call or request a quote for availability and selection help.
Hydronic Specialties Company, product list from our linecards
Commercial linecard
Revision date: April 6, 2026
Residential linecard
Revision date: September 17, 2024
This is the older of the two linecards. Call to confirm current models.
No products match those filters. Choose "Both linecards" or "All manufacturers" to widen the list.
Heat Pumps and Air Handlers
Chiltrix (https://www.chiltrix.com/) · CX35, C65 & CX75
Air to water heat pumps. Models available with up to 75,000 BTU/hr heating capacity. For space heating, cooling, and DHW.
Heat Pumps · Commercial linecard, revised April 6, 2026
LG (https://www.lg.com/) · 60 and 80 gallon
Heat pump domestic water heaters with electric resistance coil backup.
Heat Pumps · Commercial linecard, revised April 6, 2026
Energy Saving Products (https://www.hi-velocity.com/) · HiVelocity
HiVelocity air handlers for home and office.
Air Handlers · Commercial linecard, revised April 6, 2026
Energy Saving Products (https://www.hi-velocity.com/) · LoVelocity
LoVelocity air handlers for home and office.
Air Handlers · Commercial linecard, revised April 6, 2026
Energy Saving Products (https://www.hi-velocity.com/) · ESP Heps
Air purification system of commercial/hospital quality, ducted or portable. Three stages: Merv13 for particulate, UVC lamps for virus, bacteria, mold and fungi, and a PROCell titanium panel for VOCs and odors.
Air Handlers · Commercial linecard, revised April 6, 2026
Chiltrix (https://www.chiltrix.com/) · CX35 & CX50
Air to water heat pumps with up to 59,000 BTU/hr heating capacity. For space heating, cooling, and DHW.
Heat Pumps · Residential linecard, revised September 17, 2024
LG (https://www.lg.com/) · 58 and 80 gallon
Heat pump domestic water heaters with electric resistance coil backup. Inverter heat pump.
Heat Pumps · Residential linecard, revised September 17, 2024
Energy Saving Products (https://www.hi-velocity.com/) · Hi-Velocity
Air purification system of commercial/hospital quality, ducted or portable. Three stages: Merv13 for particulate, UVC lamps for virus, bacteria, mold and fungi, and a PRO-Cell titanium panel for VOCs and odors.
Air Handlers · Residential linecard, revised September 17, 2024
Energy Saving Products (https://www.hi-velocity.com/) · Lo-Velocity
Water to air ducted air handler for heating and cooling.
Air Handlers · Residential linecard, revised September 17, 2024
Mechanical - Gas Fired Boilers
Thermal Solutions (https://boilers-water-heaters.thermalsolutions.com/) · Condensing Hydronic
97% efficient, 399 MBH to 4,000 MBH capacities, 10:1 turndown, no minimum flow requirements. Indoor and outdoor applications. Indoor only for higher capacities reaching 6,000 MBH.
Hydronic Boilers · Commercial linecard, revised April 6, 2026
Thermal Solutions (https://boilers-water-heaters.thermalsolutions.com/) · EVA and EVO
Non-condensing, 500 to 3,000 MBTU.
Hydronic Boilers · Commercial linecard, revised April 6, 2026
U.S. Boiler (https://www.usboiler.net/) · Citadel
Commercial boilers up to 1.5 million BTU, DHW and hydronic heating. Indoor and outdoor, stackable.
Hydronic Boilers · Commercial linecard, revised April 6, 2026
U.S. Boiler (https://www.usboiler.net/) · Alta
Condensing hydronic boilers. 120, 150 and 180 MBTU capacities.
Hydronic Boilers · Commercial linecard, revised April 6, 2026; Residential linecard, revised September 17, 2024
U.S. Boiler (https://www.usboiler.net/) · Alpine
Hydronic only, 80 MBTU to 800 MBTU. Ships with double stack clips providing up to 1.6 MBTU capacity.
Hydronic Boilers · Commercial linecard, revised April 6, 2026
U.S. Boiler (https://www.usboiler.net/) · Aspen fire-tube
Hydronic only, 80 MBTU to 399 MBTU.
Hydronic Boilers · Commercial linecard, revised April 6, 2026
U.S. Boiler (https://www.usboiler.net/) · SteamMax & Independence
Gas fired steam boilers with cast iron heat exchanger. Burnham line.
Steam Boilers · Commercial linecard, revised April 6, 2026
U.S. Boiler (https://www.usboiler.net/) · Alta combi
136 and 200 MBTU capacities. 10:1 gas-adaptive self-tuning combi boiler.
Combi Boilers · Commercial linecard, revised April 6, 2026; Residential linecard, revised September 17, 2024
U.S. Boiler (https://www.usboiler.net/) · Alpine
Floor mounted or wall, 85 MBTU to 399 MBTU.
Hydronic Boilers · Residential linecard, revised September 17, 2024
U.S. Boiler (https://www.usboiler.net/) · Aspen fire-tube
Wall hung, 80 MBTU to 399 MBTU, with optional floor stand.
Hydronic Boilers · Residential linecard, revised September 17, 2024
Pumps and Circulators
Wilo (http://wilo-usa.com/)
Commercial end suction base mounted and vertical inline pumps, ECM and VFD. Hydronic and DHW.
Commercial Pumps · Commercial linecard, revised April 6, 2026
Innovative Dehumidifier
Tankless in-wall dehumidifier with bi-polar ionization. Whole house models available.
Dehumidifiers · Commercial linecard, revised April 6, 2026
AquaMotion (https://aquamotionhvac.com/)
ECM and standard pumps, circulators and recirculation systems. Large selection of on-demand systems for DHW savings.
Circulators · Residential linecard, revised September 17, 2024
Taco (https://tacocomfort.com/) · ECM
ECM pumps in cast iron and stainless steel.
Circulators · Residential linecard, revised September 17, 2024
AquaMotion (https://aquamotionhvac.com/)
Stainless steel circulation pumps and building circulators.
Pumps · Residential linecard, revised September 17, 2024
AquaMotion (https://aquamotionhvac.com/)
On-demand buttons, motion sensors and receivers, bypass valves.
On-Call Recirculation Systems · Residential linecard, revised September 17, 2024
Controls
HBX Control Systems (https://hbxcontrols.com/)
WiFi thermostats. Whole house control, boiler staging control, radiant floor and heat pump controls.
Controls · Commercial linecard, revised April 6, 2026
Tekmar
Zone controls and switching relays.
Controls · Commercial linecard, revised April 6, 2026
Loxone
Home automation and building management systems covering HVAC, lighting, sound and alarms.
Controls · Residential linecard, revised September 17, 2024
Taco (https://tacocomfort.com/)
Zone controls and switching relays.
Controls · Residential linecard, revised September 17, 2024
Specialties
Aalberts (https://aalberts-hfc.com/ex-en)
Air and dirt separators, air vents, purge valves, pressure reducing valves.
Accessories · Commercial linecard, revised April 6, 2026
Elbi of America (http://www.elbi.net/)
Expansion tanks, ASME and non-code. Air separators, suction diffusers, triple duty valves, commercial hydronic accessories, buffer tanks.
Accessories · Commercial linecard, revised April 6, 2026
Tunstall (https://tunstall-inc.com/)
Steam traps and hydronic balancing valves.
Accessories · Commercial linecard, revised April 6, 2026
SWEP
Brazed plate heat exchangers, single and double wall options.
Heat Exchanger · Commercial linecard, revised April 6, 2026; Residential linecard, revised September 17, 2024
Plate Concepts (http://www.plateconcepts.com/)
Plate and frame heat exchangers.
Plumbing · Commercial linecard, revised April 6, 2026
JFD Tube & Coil
Commercial tube and shell exchangers. Steam and water.
Plumbing · Commercial linecard, revised April 6, 2026
Taco (https://tacocomfort.com/)
Vents, tempering valves, pressure reducing valves, hydronic and geothermal zone valves.
Hydronic Accessories · Residential linecard, revised September 17, 2024
Elbi of America (http://www.elbi.net/)
Expansion tanks, non-code, and residential hydronic accessories.
Hydronic Accessories · Residential linecard, revised September 17, 2024
Tunstall (https://tunstall-inc.com/)
Steam traps and hydronic steam accessories.
Hydronic Accessories · Residential linecard, revised September 17, 2024
Miljoco (https://miljoco.com/)
Temperature and pressure gauges.
Hydronic Accessories · Residential linecard, revised September 17, 2024
Hydronic Distribution Systems
Comfort Pro Systems (https://www.comfortprosystems.com/)
Pex A, B, C and PERT. Pex B works with F1960 fittings and Pex C is UV resistant. Full offering of manifolds and radiant accessories.
Radiant Heating · Commercial linecard, revised April 6, 2026; Residential linecard, revised September 17, 2024
Thermalboard
Above subfloor radiant transfer system. 5/8 inch composite plywood radiant floor with aluminum heat transfer, grooved to 8 inch on center, using 3/8 inch tubing.
Radiant Heating · Commercial linecard, revised April 6, 2026; Residential linecard, revised September 17, 2024
Therma-Hexx (https://therma-hexx.com/)
Radiant heating and cooling ceiling panels for quiet indoor space conditioning.
Radiant Heating · Commercial linecard, revised April 6, 2026; Residential linecard, revised September 17, 2024
Comfort Pro Systems (https://www.comfortprosystems.com/) · Comfort Pro Insulation
R10 insulated Pex floor panel, 24 by 48 inches, for hydronic radiant floor heating systems.
Radiant Insulation · Commercial linecard, revised April 6, 2026; Residential linecard, revised September 17, 2024
NOFP (https://nofp.com/)
Flexible foam insulation for hydronic radiant systems.
Radiant Insulation · Commercial linecard, revised April 6, 2026; Residential linecard, revised September 17, 2024
Creatherm
Rigid foam insulation.
Radiant Insulation · Commercial linecard, revised April 6, 2026
rFoil (https://rfoil.com/)
Roll-out reflective radiant insulating materials.
Radiant Insulation · Commercial linecard, revised April 6, 2026; Residential linecard, revised September 17, 2024
Jaga (https://www.jaga-usa.com/)
Recessed wall, ceiling and floor heating and cooling units, including for custom homes.
Fan Convectors · Commercial linecard, revised April 6, 2026; Residential linecard, revised September 17, 2024
Chiltrix (https://www.chiltrix.com/) · CXI
Wall and ceiling mounted heating and cooling fan coils. High wall and cassette.
Fan Convectors · Commercial linecard, revised April 6, 2026; Residential linecard, revised September 17, 2024
Airtex (http://airtexradiantpanels.com/)
Commercial convectors, fan coils, hydronic distribution units, unit heaters.
Fan Convectors · Commercial linecard, revised April 6, 2026
Stiebel Eltron (https://www.stiebel-eltron-usa.com/)
Wall mounted electric resistance heaters.
Radiators · Commercial linecard, revised April 6, 2026
U.S. Boiler (https://www.usboiler.net/) · Burnham
Cast iron radiators.
Radiators · Commercial linecard, revised April 6, 2026; Residential linecard, revised September 17, 2024
Heating Edge/Hawkstone
Baseboard heating products.
Baseboards · Commercial linecard, revised April 6, 2026
Myson (http://www.mysoncomfort.com/) · RCU
Recessed wall-mounted with flow and zone control built in.
Fan Convectors · Residential linecard, revised September 17, 2024
Smith (https://smithsep.com/)
Kickspace and wall units, hot and chilled water fan convectors.
Fan Convectors · Residential linecard, revised September 17, 2024
Jaga (https://www.jaga-usa.com/) · Continuo, Tempo, Strata
Convectors.
Convectors · Residential linecard, revised September 17, 2024
Jaga (https://www.jaga-usa.com/) · Decor
Decor radiators.
Radiators · Residential linecard, revised September 17, 2024
Smith (https://smithsep.com/) · Select
Select style panel radiators.
Radiators · Residential linecard, revised September 17, 2024
Myson (http://www.mysoncomfort.com/) · Decor and Select
Decor and Select style radiators.
Radiators · Residential linecard, revised September 17, 2024
Heating Edge/Hawkstone
Low temperature, high output residential baseboard.
Baseboards · Residential linecard, revised September 17, 2024
Embassy
Cost competitive residential baseboard radiation.
Baseboards · Residential linecard, revised September 17, 2024
Plumbing - Electric Water Heaters
Elbi of America (http://www.elbi.net/)
Commercial, vertical, round electric-power ASME water heaters.
Tank-type water heater · Commercial linecard, revised April 6, 2026
Stiebel Eltron (https://www.stiebel-eltron-usa.com/)
Tankless water heaters for point-of-use.
Point-of-Use Instantaneous · Commercial linecard, revised April 6, 2026
Stiebel Eltron (https://www.stiebel-eltron-usa.com/)
Electric tepid water heaters.
Emergency Shower and Eyewash · Commercial linecard, revised April 6, 2026
Eco-King (https://www.kingheatingproducts.com/)
Heat pump domestic water heaters with electric resistance coil backup.
Electric Water Heater · Residential linecard, revised September 17, 2024
Stiebel Eltron (https://www.stiebel-eltron-usa.com/)
Point-of-use electric instantaneous water heaters.
Electric Water Heater · Residential linecard, revised September 17, 2024
Plumbing - Gas Fired DHW Heaters
Thermal Solutions (https://boilers-water-heaters.thermalsolutions.com/) · AMP
Condensing water heaters, 98% efficient, 399 MBH to 1,000 MBH capacities, 10:1 turndown, no minimum flow requirements. Indoor and outdoor. Indoor only for higher capacities reaching 4,000 MBH.
Water Heaters · Commercial linecard, revised April 6, 2026
U.S. Boiler (https://www.usboiler.net/) · Alta combi
136 and 200 MBTU. 10:1 gas-adaptive self-tuning combi boiler.
Combi Boilers · Commercial linecard, revised April 6, 2026
Eco-King (https://www.kingheatingproducts.com/) · HEET-199
Commercial condensing gas tankless water heater. 5 to 1 turndown, 0.91 UEF, 199,000 BTU/hr capacity. Includes primary pump.
Tankless · Commercial linecard, revised April 6, 2026
Vesta (https://vestahws.com/) · Revolution VRP-150/199, VRS-150/199
High efficiency gas tankless water heater, 5 to 1 turndown modulation. VRP has a built-in circulation pump.
Tankless · Residential linecard, revised September 17, 2024
Pressure Booster Systems
Canariis (http://canariis.com/)
Commercial domestic water pressure booster systems. Custom skid packaging.
Pressure Booster Systems · Commercial linecard, revised April 6, 2026
Aqua Pro Pump Systems (https://aquapropumpsystems.com/) · Generation II
All stainless steel packaged water pump system with pump, controls, built-in check valve and power cord. Does not require a pressure tank for most applications.
Pressure Booster Systems · Commercial linecard, revised April 6, 2026
Wilo (http://wilo-usa.com/)
Pressure management from the waterworks to the consumer.
Pressure Booster Systems · Commercial linecard, revised April 6, 2026
AquaMotion (https://aquamotionhvac.com/) · Aqua-Max
30 psi boost, plug and play.
Pressure Booster · Residential linecard, revised September 17, 2024
Sump and Sewage Ejectors
Wilo (http://wilo-usa.com/)
Sump and sewage pumps, controls, vault and float packaged systems.
Sump and Sewage Ejectors · Commercial linecard, revised April 6, 2026
Aqua Pro Pump Systems (https://aquapropumpsystems.com/)
Sump and sewage ejector systems.
Sump and Sewage Ejectors · Residential linecard, revised September 17, 2024
Tanks, Buffer Tanks and Pressure Vessels
Elbi of America (http://www.elbi.net/) · NTA series
Glass lined storage tanks. 80, 120 and 200 gallon stock tanks, custom tanks to 5,000 gallons.
Storage Tanks and Pressure Vessels · Commercial linecard, revised April 6, 2026; Residential linecard, revised September 17, 2024
Eco-King (https://www.kingheatingproducts.com/)
High efficiency heaters, boilers and buffer tanks.
Storage Tanks and Pressure Vessels · Commercial linecard, revised April 6, 2026
Elbi of America (http://www.elbi.net/) · ASME
ASME storage tanks, expansion tanks, hydropneumatic tanks, buffer tanks and chilled water tanks. All varieties of pressure vessels.
Storage Tanks and Pressure Vessels · Commercial linecard, revised April 6, 2026
U.S. Boiler (https://www.usboiler.net/) · Alliance SL
Stone-lined, 27 to 70 gallon capacities, indirect tank and coil.
Storage Tanks and Pressure Vessels · Commercial linecard, revised April 6, 2026
Chiltrix (https://www.chiltrix.com/)
DHW buffer tanks at 19, 37 and 60 gallons. Indirect at 40, 80 and 105 gallons.
Storage Tanks and Pressure Vessels · Commercial linecard, revised April 6, 2026
U.S. Boiler (https://www.usboiler.net/) · Alliance LT & Vaughn
Featherweight thermoplastic, 30 to 119 gallon capacities, indirect tank and coil.
Storage Tanks and Pressure Vessels · Commercial linecard, revised April 6, 2026
Boiler Buddy (https://boilerbuddy.com/)
Buffer tanks at 30, 50, 80 and 119 gallons.
Buffer Tanks · Residential linecard, revised September 17, 2024
Chiltrix (https://www.chiltrix.com/)
Stainless steel buffer tanks at 19, 37 and 60 gallons.
Buffer Tanks · Residential linecard, revised September 17, 2024
Eco-King (https://www.kingheatingproducts.com/)
Storage tanks.
Storage Tanks and Pressure Vessels · Residential linecard, revised September 17, 2024
Mixing Valves
Paxton (http://paxtoncorp.com/)
3/4 inch to 3 inch stainless steel valves for commercial applications. Built-in temperature reset depending on hot water demand.
Mixing Valves · Commercial linecard, revised April 6, 2026
Paxton (http://paxtoncorp.com/)
3/4 inch to 1 inch stainless steel valves for residential applications.
Mixing/Tempering Valves · Residential linecard, revised September 17, 2024
Solar Hot Water
AET (https://www.aetsolar.com/)
Solar thermal systems. Flat plate thermal collectors, racking, controls, exchangers and tanks.
Solar Hot Water · Commercial linecard, revised April 6, 2026; Residential linecard, revised September 17, 2024
SETS (https://allelectrichomesolutions.com/sets)
Solar panel and storage tank package system.
Solar Hot Water · Commercial linecard, revised April 6, 2026; Residential linecard, revised September 17, 2024
Sentinel
Non-toxic NSF certified propylene glycol.
Solar Hot Water · Commercial linecard, revised April 6, 2026
AquaMotion (https://aquamotionhvac.com/)
Stainless steel circulation pumps.
Solar Hot Water · Residential linecard, revised September 17, 2024
Water Treatment and Chemicals
Sentinel
Hydronic non-toxic chemicals and open loop exchanger cleaning chemicals. Non-toxic NSF certified propylene glycol.
Water Treatment · Commercial linecard, revised April 6, 2026; Residential linecard, revised September 17, 2024
GTP (http://gtpcompany.com/industrial-glycol.html)
Industrial hydronic feeder systems.
Water Treatment · Commercial linecard, revised April 6, 2026
JJM (https://jjmboilerworks.com/)
Condensate neutralizers, residential and commercial.
Water Treatment · Commercial linecard, revised April 6, 2026; Residential linecard, revised September 17, 2024
Atlas Filtri · PP4FOS
Stainless steel high flow filtration systems for reduction of sediment and scale in commercial water heater and tankless heating system applications.
Water Treatment · Commercial linecard, revised April 6, 2026
Aalberts (https://aalberts-hfc.com/ex-en)
Hydraulic separators, air and dirt separators, mag filters, hydronic water treatment including conditioning, cleaning and anti-freeze.
Water Treatment · Residential linecard, revised September 17, 2024
GTP (http://gtpcompany.com/industrial-glycol.html)
Residential hydronic feeder systems.
Water Treatment · Residential linecard, revised September 17, 2024
Axiom
Residential hydronic feeder systems.
Water Treatment · Residential linecard, revised September 17, 2024
Atlas Filtri · DP Big
Sediment, taste, odor and scale reduction. Point-of-entry whole house water filtration for high flow applications.
Water Treatment · Residential linecard, revised September 17, 2024
Indirect Water Heaters
U.S. Boiler (https://www.usboiler.net/) · Alliance SL
Stone-lined, 27 to 70 gallon capacities, indirect tank and coil.
Indirect Water Heaters · Residential linecard, revised September 17, 2024
U.S. Boiler (https://www.usboiler.net/) · Alliance LT
Thermoplastic, 30 to 119 gallon capacities, indirect tank and coil.
Indirect Water Heaters · Residential linecard, revised September 17, 2024
Chiltrix (https://www.chiltrix.com/)
40, 80 and 100 gallon, made for heat pumps.
Indirect Water Heaters · Residential linecard, revised September 17, 2024
For availability and selection help, call 800-786-6847or request a quote.