How do I set the manifold pressure with this kit

or plaster walls

the pilot flame should envelope the top 3/8" to 1/2" of the thermocouple tip

It is specifically designed for compatibility with bellows assemblies such as the SA47-4

High-Copper Brass Alloy: Forged from 65% copper and 35% zinc to prevent seasonal cracking and thrive in harsh HVACR environments

Resideo 50001137-001 Cover Plate Assembly How do I set theThe Resideo 50001137 001 Cover Plate Assembly is a professional grade solution for technicians looking to provide a clean, finished appearance when upgrading or replacing FocusPro TH5110 thermostats. Designed for versatility in the field, this kit includes a small cover plate (4 5 16" x 5 1 2") and a medium cover plate (5" x 6 7 8"), allowing you to conceal terminal scars, paint lines, or oversized holes left by older, larger horizontal thermostats.