Lennox 18M40 - VALVE-EXP. This product is a brand new genuine Lennox part.
Lennox 18M40 - VALVE-EXP HVAC.com takes pride in offering helpful information about Lennox products. If you have any questions regarding this product, please use the HVAC.com Contractor Directory to connect with a trusted contractor in your area.
Lennox 18M40 - VALVE-EXP