Specifications include, but are not limited to: Pipe and fittings (valves, elbows, couplings...) of various sizes (approx. 1/4” to 4”) and materials (copper, iron, plastic...). _________% Off Water handling pumps (circulator, sump...) including motors and their associated maintenance and accessory parts (Temp and Pressure controls, gaskets, couplings...)._________% OffBoiler and furnace burners for multiple fuels and theirassociated maintenance and accessory parts (fuel pumps, fuel valves, nozzles, igniter points...)._________% OffAir handling fans and dampers including their motors and associated maintenance and accessory parts (Temp and Pressure controls, filters, gaskets, couplings, actuators...)._________% OffSystem control devices and controllers (solenoids, zone controls, thermostats, digital interfaces...)._________% OffHVAC major components i.e. furnaces, boilers, fan coils, baseboard fin tube and cabinetry, heat pumps..._________% OffVentilation cooling and refrigeration systems and their related maintenance and accessory parts (Temp and Pressure controls, gaskets, couplings...)._________% OffTools necessary for working with item groups identified above.