How do I size this accumulator for my system

When performing a water heater pilot repair

OEM Precision: Calibrated specifically for a 1

This kit is the standard for Raypak Atmospheric and Digital Low NOx heaters

Enhanced Safety: Built-in T-Stat cutout logic supports hazardous temperature detection and power shutdown to protect downstream motors and coils

White-Rodgers 1F97-1277 Thermostat Freon How do I size thisThe White Rodgers 1F97 1277 is a trade grade programmable touchscreen thermostat from the 90 Series Blue collection, engineered for high performance 1H 1C universal applications. Field tested for reliability, this 24V digital thermostat features a massive 12 square inch "Big Blue" display for legible diagnostics and streamlined configuration in low light environments. Designed as a direct service replacement for discontinued models like the 1F97 1271