4 Pass Wet-Back Scotch Marine Boilers 80-1000 hp High and Low Pressure
3 Pass Wet-Back Scotch Marine Boilers 80-1500 hp High and Low Pressure
3 Pass Semi Wet-Back Scotch Marine Boilers 10-60 hp High and Low Pressure
All Gas, Oil Combination Firing

Steam and Hot Water Specialties
Steam and Hot Water Repair Parts
Centrifugal, Turbine Heating Pumps
Hydronic Specialties
Liquid Chiller Feed Pump Systems
Variable Speed Booster Systems
Centrifugal Pump Repair Parts
Steam Traps and Repair Parts


Blowdown Separators & tanks
Flash Separators & tanks
Exhaust heads - carbon or stainless steel construction
Exhaust silencers
Blowdown heat recovery
Sample coolers


Pump Sets, Day Tanks, Filtration Sytems
Controls, Fuel Oil Accessories

Liberty Series Water Boilers
399,000 - 800,000 BTU / HRHigh Efficiency (94+%)
Lead Lag up to 8 units
Natural Gas or Propane

Boiler Master controller (lead/lag) & oxygen trim systems
Air compressor sequencing (lead/lag) systems

Modulatic single pass units to 3100 psig design pressure
Packaged thermal fluid heaters to 20,000 Mbh

Deaerators, boiler feed, & condenstate systems.
Chemical shot feeders


Engineering Support Services

Design assistance for heating, steam, & process systems

Boiler Room Services

24 hour service ● Preventive maintenance & upgrades
Boiler overhauls & repairs ● Burner & control conversions

Replacement & Upgrade Parts - items stocked or available on a quick ship basis for above manufacturers plus

Allanson ● Asco ● Fireye ● Gordon-Piatt ● Honeywell
McDonnell & Miller ● Orr & Sembower  “Powermaster” ● Siemens


Contact us at:

E-mail:  sales@atk-law.com
Phone:  978-365-6422
Cell:  978-897-6422
Fax:  978-365-4593
Mail / Shipping:  131 Main St.
P.O. Box 485
South Lancaster, MA 01561-0485