As an OEM replacement relay

This selector switch is rated for a maximum mainline pressure of 30 psig

standard 18 AWG shielded twisted pair is sufficient to maintain signal integrity

this high limit temperature switch monitors plenum temperatures and provides a fail-safe against overheating

What is the difference between SOX

McDonnell & Miller 94-HD Pump Controller Refrigerant As an OEM replacement relayThe McDonnell & Miller 94 HD Pump Controller (Part Number 165300) is a high performance replacement head mechanism engineered for heavy duty commercial and industrial steam boiler applications. Designed specifically for Series 94 and Series 194 units, this combination low water cut off and pump control manages liquid levels in systems with a maximum pressure of 250 PSI. This assembly includes the No. 5 snap acting SPDT switch, providing reliable dual