The Bradford White 239-48058-01 Pressure Switch is a critical safety component designed for performance with power-vented gas water heaters

Smith 100111038 Combined Controller is the critical integrated command module designed specifically for the BTH 120 100 and BTH-120/A series natural gas water heaters

allowing for seamless integration of overload relays and front-mounted auxiliary switches

and industrial process heating equipment

the 550001625 is specifically designed for Argo AT Series 4-element boilers

Lennox 27A28 Heater 340793-762 The Bradford White 239-48058-01 PressureThe Lennox 27A28 (Model ECB29 12. 5CB 8P) is a high performance 12. 5 kW electric heat kit engineered for seamless integration into Lennox air handler and blower cabinet systems. Operating on a 208 230V power supply, this resistive heat assembly serves as the primary auxiliary or emergency heat source when ambient temperatures drop below the heat pumps balance point. For contractors performing service or retrofits, this electric heat strip is designed