The Danfoss 077B0020 is a professional-grade B0 Series mechanical thermostat designed for high-reliability refrigeration cold control in residential and commercial cooling units

On the secondary side

this valve provides a 1

making it ideal for high-pressure systems like R-410A

which is essential for maintaining safety limits and optimizing fuel efficiency across the hydronic heating system

ASCO 8040H7 Solenoid Valve Els PW 17895 The Danfoss 077B0020 is aThe ASCO 8040H7 is a specialized 2 way normally closed solenoid valve engineered specifically for low pressure fuel gas service. Designed for reliability in commercial and industrial combustion systems, this valve features a 1 4" NPT connection and an aluminum body that balances durability with weight efficiency. Operating on 120Vac, the 8040H7 provides a 1. 1 Cv flow coefficient, optimized for the 0 15 PSI pressure range. It utilizes NBR (Nitrile)