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The Watts 0887121 functions as the direct internal replacement for legacy part numbers 881469
By maintaining precise thermal thresholds
Easy Integration: Features a notched design for verified orientation within the duct detector header
This OEM natural gas burner replacement is designed to restore precise thermal output for commercial and residential boilers and water heaters
If your system requires a signal to start a circulator or boiler
Trane VAL8700 TXV 340155-7026 The Watts 0887121 functions asThe Trane VAL8700 is a high precision 2 Ton Thermal Expansion Valve (TXV) engineered for reliable refrigerant metering in split systems and heat pumps. This OEM Trane expansion valve is a critical component for maintaining the superheat balance of the evaporator coil, ensuring the R410A refrigerant flow is precisely adjusted based on load demand. Featuring a balanced port design, the VAL8700 provides stable control across varying ambient conditions,
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