Specifications include, but are not limited to: 2.4.1. Pipe and fittings (valves, elbows, couplings…) of various sizes (approx. 1/4” to 6”) and materials (copper, iron, plastic, etc.). 2.4.2. Water handling pumps (circulator, sump…) including motors and their associated maintenance and accessory parts (Temp and Pressure controls, gaskets, couplings, etc.) 2.4.3. Boiler and furnace burners for multiple fuels and their associated maintenance and accessory parts (fuel pumps, fuel valves, nozzles, igniter points, etc.) 2.4.4. Air handling fans and dampers including their motors and associated maintenance and accessory parts (Temp and Pressure controls, filters, gaskets, couplings, actuators, etc.) 2.4.5. System control devices and controllers (solenoids, zone controls, thermostats, digital interfaces, etc.) 2.4.6. HVAC major components i.e. furnaces, boilers, fan coils, baseboard fin tube and cabinetry, heat pumps, etc. 2.4.7. Ventilation cooling and refrigeration systems and their related maintenance and accessory parts (Temp and Pressure controls, gaskets, couplings, etc.).