High Thermal Stability: Large internal free volume allows for superior resistance against liquid slugging and high suction gas temperatures

Precision Control: Allows for safe delivery of zero gas

you can install a different color-coded Spence spring to accommodate higher or lower delivery pressures without replacing the entire valve body

For high-pressure limiting applications

including the LF

York S1-373-16635-007 Drain Pan 321894-709 High Thermal Stability: Large internalThe York S1 373 16635 007 Drain Pan is a critical OEM replacement component designed for high performance condensate management in specific furnace and air handler configurations. Measuring 16. 5 inches in width, this pan is engineered with factory applied insulation to prevent secondary sweating and thermal bridge issues in unconditioned spaces. Constructed from galvanized steel with a protective powder coated finish, it provides superior resistance