Weil-McLain Standard equipment, EG boilers add, For EG water boilers, For EG steam boilers

EG, PEG, EGH GAS-FIRED BOILERS — SERIES 4 — BOILER MANUAL

Standard equipment

Factory-Assembled Section Block Insulated Extended Jacket Draft Hood

Aluminized Steel Burners

Non-Linting Pilot Burner

Heater Cover Plates (for boilers with tankless heater openings) Control Wire

Electrical Junction Box

EG boilers add:

Combination Gas Valve for 24 volt Thermocouple (high efficiency models) Rollout Thermal Fuse Element

Spill Switch

Highest Efficiency Models, PID Intermittent Electronic Ignition System and Automatic Vent Damper

High Efficiency Models, SPD Constant Burning, Thermally Supervised Pilot System and Automatic Vent Damper

For EG water boilers

Built-In Air Eliminator 30 P.S.I. Relief Valve

Combination Pressure Temperature Gauge High-Limit Control

40 VA Transformer with Receptacle for Circulator Relay Circulator Relay

For EG steam boilers

Relief Valve

Steam Pressure Gauge

High-Limit Pressure Control

Syphon

Gauge Cocks

Gauge Glass

Low-Water Cutoff

40 VA Transformer

EG additional equipment

Tankless Water Heater – EG-35-65 PI and SP EG-75 PI only

With tankless heater: Combination High Limit, Low Limit, Circulator Control, and Relay with 40 VA Transformer

Tankless Steam Heater - EG35-75 With Tankless Heater:

Operating Control Tankless Heater 35-S-29 for All Units

EGH boilers add:

Combination Gas Control Valve (includes main gas valve with redundant seat, PI and PI with damper models; main gas valve with single seat, 24V models; pressure regulator, gas cock, pilot filter, pilot adjustment)

Highest Efficiency Models, PI Intermittent Electronic Ignition System

High Efficiency Models, SP Constant Burning, Thermally Supervised Pilot System, Thermocouple

100% Shutoff

40 VA Transformer with Receptacle for Circulator Relay

For EGH water boilers

Built-in Air Eliminator 30 P.S.I. Relief Valve

Combination Pressure-Temperature Gauge High-Limit Control for PI and PI with Damper Models Dual-Limit Control for Standard Efficiency Models Circulator Relay

For EGH steam boilers

Relief Valve

Steam Pressure Gauge

High-Limit Pressure Control (two limit controls on EGH-85 and 95 SP) Syphon

Gauge Cocks

Gauge Glass

Low-Water Cutoff – Probe Type

EGH additional equipment

Tankless Heaters – PI Water or Steam,

SP Steam only

With Tankless Heater(s):

Operating Control

Automatic Vent Damper

28 Part Number 550-110-639/0703