Heat Controller 4200 TXV Kit 318423-701 the EP2121S maintains consistent branch

the EP2121S maintains consistent branch line pressure even during fluctuations in supply air

Engineered to withstand the high-temperature environments of commercial gas-fired unit heaters

Each unit is statically balanced at the factory to eliminate vibration

This 1/16HP 115V 1SPD draft inducer is built with a shaded pole motor design

Heat Controller 4200 TXV Kit 318423-701 the EP2121S maintains consistent branchEngineered for mission critical refrigerant metering, the Heat Controller 4200 TXV Kit is a high performance 1. 5 3. 5 Ton R410A TXV solution designed for seamless integration with light commercial and residential evaporator coils. This non bleed thermostatic expansion valve ensures precise superheat control across varying load conditions, preventing liquid slugging and protecting the compressor from premature failure. Optimized for R 410A refrigerant