the MA-318 replaces ADHA-200

Because variable pulleys change width as they adjust

Using an incorrect pitch can overheat the motor or reduce heating capacity

heavy rust on the port ribbons

the 2380006 integrates a high-performance thermocouple connection to monitor pilot stability and regulate gas flow efficiently

Tjernlund Products 950-2020 Motor 318820-201 the MA-318 replaces ADHA-200The Tjernlund 950 2020 Motor is the heavy duty OEM replacement motor engineered specifically for the VP 2F and VP 2 series power venters. This 115v 1 50hp 3000rpm motor delivers the precise torque and high speed performance required to maintain negative pressure in residential venting systems. As a genuine Tjernlund replacement part, it ensures exact mounting alignment and electrical compatibility, eliminating the vibration issues common with