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specifically optimized for R-410A systems commonly found in modern York and Johnson Controls equipment
This kit is engineered specifically for ASCO 8210 Series valves
The 1/2" sweat adapters and 3/8" NPT connections simplify installation into existing wet return lines
quick-tight connection to compressor terminals
Tjernlund Products PS1503 Switch R-407A specifically optimized for R-410A systemsThe Tjernlund Products PS1503 is a high sensitivity duct pressure switch engineered to automate HVAC accessories by detecting positive air pressure within the supply plenum or trunk lines. As the direct replacement for DFS 221 227, this SPST normally open switch simplifies field installations by eliminating the need for complex interlock wiring with the furnace blower. The PS1503 duct airstat features a snap acting mechanism triggered by a precise
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