Siemens Building Technology 243-0001 Switching Relay THPU32HP7Y it contains the regulator spring

it contains the regulator spring P/N 82524 which is required to modify the gas valve for the higher pressure demands of propane gas

While the operating range is 20/80

Versatile Application: compatible with a wide range of Heil Quaker

Key Benefits: Universal Compatibility: Fully compatible with Honeywell W7459A

Universal ICP Compatibility: Direct OEM 1176936 replacement for various Heil Quaker and Carrier-produced furnace models

Siemens Building Technology 243-0001 Switching Relay THPU32HP7Y it contains the regulator springThe Siemens Building Technology 243 0001 Switching Relay is a rugged, pilot operated pneumatic relay designed for reliable two position switching within complex HVAC pneumatic control systems. Engineered for 3 way air valve functionality, this auxiliary device allows for the efficient diverting of a common part between two independent pneumatic circuits. As a veteran technician knows, the adjustable changeover pressurefactory calibrated at 9 psi but