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replacing the old sensor with this genuine York replacement part eliminates intermittent ignition failures and prevents unburned gas accumulation
A three-flash code typically indicates an open circuit in the safety switch loop
Compatible with various Lennox G-Series and EL-Series gas furnaces
The 70-103-01 is MSS SP-110 compliant and meets federal specification WW-V-35C for Type II
ensuring proper fit and electrical rating without field modifications
Weil McLain 383-500-095 Valve replacing the old sensor withThe Weil McLain 383 500 095 ASME Pressure Relief Valve is a critical safety component designed for hydronic heating systems and residential gas boilers. This OEM Weil McLain replacement part is engineered to activate precisely at 30 PSIG, preventing over pressurization and potential vessel failure. Featuring a 3 4" NPT male inlet and a 3 4" FPT female outlet, this brass bodied valve ensures a secure, leak free connection. It is the direct replacement
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