York S1-700091 Sight Glass 320788-703 Steam applications typically require EPDM

Steam applications typically require EPDM or PTFE seals and a specialized coil insulation class

The D-3153-6003 is designed for a maximum control air pressure of 20 PSIG to maintain diaphragm integrity and positioning accuracy

Adjusting this screw limits the blade travel when closed

Durable Construction: Built to withstand the thermal stresses of high-duty cycle residential heating and cooling

000V secondary

York S1-700091 Sight Glass 320788-703 Steam applications typically require EPDMThe York S1 700091 Sight Glass is a critical diagnostic component for commercial and residential refrigeration systems, functioning as a high precision moisture indicator and liquid line monitor. Engineered as a direct OEM replacement for York, Luxaire, and Coleman equipment, this 3 8 SAE sight glass features a 3 8" Female x Male flare connection for secure integration into the liquid line. The SA 13FM See All design provides a wide angle viewing