Can I use this valve in an R22 system

or accidental damage during other component replacements

Broad Compatibility: Highly versatile for use with air

The Armstrong Fluid Technology 880202-677K Seal Kit is a precision-engineered mechanical seal replacement designed specifically for the E2 Series circulator pumps

including the EDR series

Resideo AM102-US-1LF Valve 320720-756 Can I use this valveThe Resideo AM102 US 1LF Valve is a professional grade 1 inch union sweat mixing valve engineered for precision temperature regulation in high demand residential and light commercial hydronic systems. As part of the veteran Braukmann AM 1 series, this valve utilizes a proportional thermostatic design to simultaneously control hot and cold water supplies, ensuring a stable mixed outlet temperature despite fluctuations in inlet conditions. With a 3. 9