Monitor Trade-In Allowance Promotion (Out with the OLD, in with the NEW) Toyostove is offering an incentive to customers owning Monitor Heaters to replace these units with a new Toyostove L-730, L-60AT, L-560 or L-530. This Promotion cannot be combined with any other promotions. OFFER: Trade in your Monitor vented kerosene heater for a NEW Toyostove L-730, L-60AT or L-560 and receive a $250.00 DISCOUNT. Trade in your Monitor vented kerosene heater for a NEW L-530 and receive a $200.00 DISCOUNT. Does not apply to sales to customers who live outside dealer's territory! Qualifying Monitor Trade-In Models: 20, 21, 22, 30, 40, 41, 441, 422, 2400, 2200 TIMING: The promotion period is April 1, 2017 thru March 31, 2018. What do we need? We need the computer board out our your Monitor Heating system sent in with all of the wiring attached. Please first open up your heating system, cut all wires to the computer board and then remove board with the ends of the wires still attached to board. See example board below.