Resideo SV9541Q2561 Smart Valve 326058-757 B) and a universal sub-base

B) and a universal sub-base to streamline the HVAC thermostat installation process

80" WC low-fire set point

Durability: Constructed with high-grade brass and stainless steel components to withstand the high pressures of R410A systems

P102-20D) to ensure the voltage and pin configurations match the legacy board

such as the A350

Resideo SV9541Q2561 Smart Valve 326058-757 B) and a universal sub-baseThe Resideo SV9541Q2561 Smart Valve is a critical intermittent hot surface pilot ignition control designed for dual stage gas heating applications. Delivering 24Vac control, this unit features a standard two stage opening sequence with 1 2" x 1 2" NPT inlet and outlet ports. With a 15 second prepurge and a 90 second ignition trial time, it ensures reliable combustion cycles. The integrated continuous retry logic provides robust system operation,