Rubber Mounts NT-D
NT model heels are the most common in the industry. Its deflection is greater than the pads and the NS heels, which gives it greater efficiency against vibration. Its color code determines the hardness and the load they support. Its striped base makes them anti-skid and can be used alone or fixed to the floor. They are used in all HVAC equipment, these heels comply with ASHRAE, Applications book, cap. 47, p. 47.44, note 20 type 2, “Rubber Mounts”.