Resideo TH115-A-120S Thermostat 318172-701 It acts as a known-good

It acts as a known-good load to test the control board's output

This valve is primarily used for automated water service where a slow-closing mechanism is required to prevent pipe vibration and noise caused by sudden shut-off

Its two-wire flying lead connection simplifies the replacement coil installation process

always cross-reference the model number and voltage (120V vs 24V) to avoid incompatible control voltage issues with the system's transformer or burner primary control

ensuring secure connections for both one and two-speed motors

Resideo TH115-A-120S Thermostat 318172-701 It acts as a known-goodThe Resideo TH115 A 120S is a high performance 120V line voltage thermostat engineered specifically for technical precision in electric heating applications. Designed for seamless integration with baseboard heaters, radiant ceilings, convectors, and fan forced heaters, this 7 day programmable thermostat ensures optimal thermal management through a tight 1 degree differential temperature control. This unit features an epoxy soundproofed relay, which