Lennox 49L04 Sight Glass 321702-401 this parallel-connection trap identifies and

this parallel-connection trap identifies and handles varying loads without the risk of air binding

OEM York gaskets are manufactured to specific durometer and thickness tolerances that generic parts often miss

42" WC sensitivity

System Logic Management: Orchestrates the start-up sequence

Lennox 49L04 Sight Glass 321702-401 this parallel-connection trap identifies andThe Lennox 49L04 Sight Glass is a heavy duty moisture and liquid indicator designed for precise refrigerant monitoring in high pressure commercial and residential HVACR systems. This moisture indicator sight glass features a high visibility element that provides an immediate visual diagnostic of the system's internal chemistry. As a critical liquid line sight glass, it allows technicians to verify refrigerant charge levels by identifying bubbles that