Get an additional 5% off all parts now through 8/31/2026. Online only. Use code LASTCALL5 at checkout.
NEW HEATER SALES — 800-562-5504 PARTS & TECHNICAL SUPPORT — 888-370-6531
Sale!

Annual Maintenance Kit, MX250/300 (LENZ Filter)

SKU: 9051D1 Categories: ,

Original price was: $368.99.Current price is: $350.54.

Affirm financing available on orders over $1,000

In stock

Parts Included

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.

MX maintenance kit selection chart

Specifications

Shipping Weight 3 lbs
Dimensions 12 × 12 × 6 in
Part Group

Maintenance Kits

Model

MX-250, MX-300

Compatible Models

MX250, MX300

Made in USA — Wisconsin
Heating With
Waste Oil
Since 1976
Proud member of
4109 Capital Circle, Janesville, WI 53546