Annual Maintenance Kit, MX250/300 (Lenz Filter)
$399.99
financing available on orders over $1,000
We recently changed our preheaters for MX, XT and LS units. Find the right maintenance kit for your heater. This kit is for preheaters purchased BEFORE August 2026.
Parts Included
PUMP STRAINER KIT A PUM…
KIT INSULATION MX250/300
KIT, LANAIR IGNITOR RPLC…- KIT, NOZZLE ASM XT/MX/HI
COUPLER PUMP A1RA
KIT LENZ O-RING SET
Find the Right MX Maintenance Kit
Burners with an air diaphragm use a kit ending in 1; burners without one use a kit ending in 2.

Specifications
| Shipping Weight | 3 lbs |
|---|---|
| Dimensions | 12 × 12 × 6 in |
| Part Group | Maintenance Kits |
| Compatible Models | MX-250, MX-300 |
