The Aprilaire 4001 Saddle Valve is a heavy-duty self-piercing needle valve designed for tapping into copper water lines to supply whole-house humidifiers

The Watts 0887371 kit provides the critical components needed to restore the differential pressure relief valve to factory-spec tight-sealing performance

this 24-inch screw-in thermocouple generates a stable 25-35 mV open circuit range

this unit features a stainless steel housing and a heavy-duty motor located outside the airstream to prevent heat damage and ensure long-term operation in demanding residential or commercial applications

Can this motor replace an ESBE 135 series actuator

Fenwal 35-605954-105 Module 320788-704 The Aprilaire 4001 Saddle ValveFor veteran technicians servicing high efficiency heating systems, the Fenwal 35 605954 105 stands as a critical 24 VAC microprocessor based direct spark ignition (DSI) control. This robust ignition module is engineered to manage the sequence of operation for gas fired appliances with precision, featuring a dedicated 15 second pre purge period and a 10 second trial for ignition (TFI) to ensure safe combustion cycles. Designed for versatility across