Resideo TH140-28-01-B Programmable Thermostat 320735-701 providing a stable electrical supply

providing a stable electrical supply for long-term burner operation

This silicon carbide flat igniter is engineered as a high-performance direct replacement for 1409 and Robertshaw 41-409 series components

verify seat material compatibility with the manufacturer’s technical data for the 599 series

preventing accidental shut-offs or dangerous gas leaks

a different relay in the SIRIUS 3RP25 family would be required

Resideo TH140-28-01-B Programmable Thermostat 320735-701 providing a stable electrical supplyThe Resideo TH140 28 01 B Programmable Thermostat is a versatile 7 day programmable digital thermostat designed for high precision control in hydronic, line voltage, and low voltage heating environments. Engineered to handle everything from millivolt systems to 240 Vac heating applications, this unit is a staple for technicians installing electric baseboard heaters, as well as gas or oil fired boilers. With a single pole double throw (SPDT) switching